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Mọi người giúp mình mấy câu này với .

1.Their children have birth defects.The parents were exposed to radiation

Because............................................

2.The air pollution causes breathing problems

...............................................................

3.Because her leg was sore,she has difficulty in walking

Because of......................................

4.Because he behaved badly,he found himself in trouble

Because of his.................................................

5.Because it was snowing,we didn't go out for a walk

Because of..................................................

6.I can't make all of my own meals because I am not good at cooking

If................................

7.I', not you,so I can't tell him the truth

If.............................................................

8.If your phone doesn't work,you can use mine

Unless...............................................................

9.She will open the door if she knows who it is

Unless.......................................................

10.If you are more careful,you won't get accidents

Unless..............................................

11.Unless she hurries,she will miss the train

If.............................................

12.Unless the man is well-qualified,he won't be offered the job

If......................................................

13.Unless he phones immediately,he won't get any information

If...........................................................

0
mn giúp mình với ạ Ex: Rewriting 1 I'm busy so i can't go out with my friends ➞ If 2 He plays soccer well so he can take part in the Games ➞ If 3 She can't go to the party because i don't invite her ➞ If 4 I can't get a job easily because I don't have a degree ➞ If 5 He doesn't have enough money , so he doesn't buy a house ➞ If 6 It is raining heavily so we can't go to the market ➞ If 7 He will go to watch the World Cup because he is studying in Russi ➞ If 8 I didn't...
Đọc tiếp

mn giúp mình với ạ

Ex: Rewriting

1 I'm busy so i can't go out with my friends ➞ If

2 He plays soccer well so he can take part in the Games ➞ If

3 She can't go to the party because i don't invite her ➞ If

4 I can't get a job easily because I don't have a degree ➞ If

5 He doesn't have enough money , so he doesn't buy a house ➞ If

6 It is raining heavily so we can't go to the market ➞ If

7 He will go to watch the World Cup because he is studying in Russi ➞ If

8 I didn't talk to him because i didn't know him ➞ If

9 John didn't have money so he couldn't lend you some ➞ If

10 We couldn't go out because the weather was so bad ➞If

11 Mary didn't wear the raincoat, so she got a cold ➞If

12 Marry was injured in the crash because she wasnot wearing the seat belt ➞ If

13 Carol didn't answer the phone because he was studying ➞ If

14 You didn't eat breakfast, so you are hungry now➞If

15 I stayed up late last night, so i feel asleep now ➞If

16 I can't retell the film now because i didn't wlatch it last night ➞If

17 He is tired now because he drank too much yesterday evening➞If

18 I bought the car yesterday, so I run out of money now➝ If

19 He didn't go to the class regularly, so he can't take part in the competition now➞If

1
26 tháng 8 2019

1 I'm busy so i can't go out with my friends

➞ If i had free time, i could go out with my friends

2 He plays soccer well so he can take part in the Games

➞ If he plays soccer well, he can take part in the Games

3 She can't go to the party because i don't invite her

➞ If i invited her, she could go to the party

4 I can't get a job easily because I don't have a degree

➞ If i had a degree, i could get a job easily

5 He doesn't have enough money , so he doesn't buy a house

➞ If he had enough money, he would buy a house

6 It is raining heavily so we can't go to the market

➞ If it weren't raining heavily, we could go to the market

7 He will go to watch the World Cup because he is studying in Russi

➞ If he studies in Russi, he will go to watch World Cup

8 I didn't talk to him because i didn't know him

➞ If i had knonw him, i would have talked to him

9 John didn't have money so he couldn't lend you some

➞ If he had had money, he could have lent you some

10 We couldn't go out because the weather was so bad

➞If the weather hadn't been so bad, we could have gone out

11 Mary didn't wear the raincoat, so she got a cold

➞If Mary had worn the raincoast, she wouldn't have got cold

12 Marry was injured in the crash because she wasnot wearing the seat belt

➞ If Marry had been wearing the seat belt, she wouldn't have been injured in the crash

13 Carol didn't answer the phone because he was studying

➞ If Carol hadn't been studying, he would have answered

14 You didn't eat breakfast, so you are hungry now

➞If you had eaten breakfast, you wouldn't be hungry now

15 I stayed up late last night, so i feel asleep now

➞If i hadn't stayed up late last night, i wouldn't feel asleep now

16 I can't retell the film now because i didn't watch it last night

➞If i had watched the film last night, i could retell it now

17 He is tired now because he drank too much yesterday evening

➞If he hadn't drunk too much yesterday evening, he wouldn't be tired now

18 I bought the car yesterday, so I run out of money now

➝ If i hadn't bought the car yesterday, i wouldn't run out of money now

19 He didn't go to the class regularly, so he can't take part in the competition now

➞If he had gone to the class regularly, he could take part in the competition now

31 tháng 1 2019

1. The air in John's area is polluted , so he has breathing problem. ( if / because / because of / make / lead )

=>If the air in John's area weren't polluted,he wouldn't have breathing

=>Because The air in John's area is polluted , he has breathing

=>John has breathing because of the polluted air in his area

=>The polluted air in John's area makes him breath

2. The soil is posoned because farmers use too many pesticides and herbicides . ( so )

- If farmer ..didn't use too many pesticides and herbicides,the soil wouldn't be posoned................

=>Farmers use too many pesticides and herbicides,so the soil is posoned

3. Turn off all the lights and you will not pay more money - If you Turn off all the lights,you will not pay more money ..............

Unless you Turn off all the lights,you will pay more money .............. .........................

4. Be careful or you may have an accident -

If .you are careful,you may not have an accident........................

Unless you are careful ,you may have an accident.............................

5. He can't understand what she has said because he doesn't know English . ( If / so / because of )

=>If he knew E,he could understand what she has said

=>he doesn't know E,so He can't understand what she has said

=>Because of not knowing E,he can't understand what she has said

6. Many people have stomachache due to the contaminated food ( because / so / if )

=>Because the food is contaminated,many people have stomachache

7. There is sewage in the lake , so the aquatic animals die . ( because / result / due to / make if )

=>Because there is sewage in the lake,the aquatic animals die

=>Ban lm tg tu nhes

29 tháng 1 2019

Đề bài là như thế nào bạn nhỉ?

Ex1:Complete the second sentence so that it has similar meaning to the first sentence 1>The soil is poisoned because,farmers use too many pesticides and herbicides. -If............................................................................................................................ 2>I can't help you unless you tell me what's wrong. -If.......................................................................................................................... 3>Many people have...
Đọc tiếp

Ex1:Complete the second sentence so that it has similar meaning to the first sentence

1>The soil is poisoned because,farmers use too many pesticides and herbicides.

-If............................................................................................................................

2>I can't help you unless you tell me what's wrong.

-If..........................................................................................................................

3>Many people have stomachache due to the contaminated food.

-The food..................................................................................................

4>Stop swimming in that lake,or you will have skin rashes.

-If...........................................................................................................

5>John lives in the area affected by air pollution,so he has breathing problem.

-Because............................................................................................................

-If.........................................................................................................................

6>We use eco-friendly products and we can protect environment.

-It we..................................................................................................................

7>I think you should volunteer to clean the beach.

-If I were.................................................................................................

8>The air is polluied,so there are breathing problems(leads).

9>Their children have birth defects because the parents were exposed to radiotion(so)

1
23 tháng 2 2020

Ex1:Complete the second sentence so that it has similar meaning to the first sentence

1>The soil is poisoned because,farmers use too many pesticides and herbicides.

-If.............................famers used too many pesticides and herbicides, the soil would be poisoned ...............................................................................................

2>I can't help you unless you tell me what's wrong.

-If....................................you don't tell me what's wrong , I can't help you ......................................................................................

3>Many people have stomachache due to the contaminated food.

-The food..............................is contaminated so many people have stomacchache ....................................................................

4>Stop swimming in that lake,or you will have skin rashes.

-If...................................you don't stop swimming on that lake, you will have skin rashes........................................................................

5>John lives in the area affected by air pollution,so he has breathing problem.

-Because....................................John lives in the area affested by air pollution, he has breathing problem........................................................................

-If.................................John didn't live in the area affected by air pollution, he wouldn't have breathing problem........................................................................................

6>We use eco-friendly products and we can protect environment.

-It we...........................................use eco-friendly products, we can protect environment.......................................................................

7>I think you should volunteer to clean the beach.

-If I were....................................you, I would volunteer to clean the beach.............................................................

8>The air is polluied,so there are breathing problems(leads).

-> The air pollution leads to breathing problems

9>Their children have birth defects because the parents were exposed to radiotion(so)

-> The parents were exposed to radiotion so their children have birth defects

24 tháng 2 2020

thak bn

Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it 1,The only reason Jimmy often gets bad marks is because he is lazy If Jimmy............................................................................... 2,We got lost because we didn't have a map If we......................................................................... 3,We didn't go on holiday because we did not have enough...
Đọc tiếp

Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it

1,The only reason Jimmy often gets bad marks is because he is lazy

If Jimmy...............................................................................

2,We got lost because we didn't have a map

If we.........................................................................

3,We didn't go on holiday because we did not have enough money

If we....................................................................

4,She didn't hurry,so she missed the train

If she.....................................................................................

5,I bought beef because I didn't know she couldn't eat it

If I.......................................................................................

6,Providing that you leave a forwarding address,we will be able to contact you

Unless...............................................................

7,Unless you save some money,you will never be able to buy a car

Provided that.......................................................

8,The boys don't have any matches,so they can't light the fire

If the boys.....................................................

2
21 tháng 11 2019

Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it

1,The only reason Jimmy often gets bad marks is because he is lazy

If Jimmy weren't lazy, he wouldn't often get bad marks.

2,We got lost because we didn't have a map

If we had had a map, we wouldn't have got lost.

3,We didn't go on holiday because we did not have enough money

If we had had enough money, we would have gone on holiday.

4,She didn't hurry,so she missed the train

If she had hurried, she wouldn't have missed the train.

5,I bought beef because I didn't know she couldn't eat it

If I had known she couldn't eat beef, I wouldn't have bought beef.

6,Providing that you leave a forwarding address,we will be able to contact you

Unless you leave a forwarding address, we will be able to contact you.

7,Unless you save some money,you will never be able to buy a car

Provided that you save some money, you will be able to buy a car.

8,The boys don't have any matches,so they can't light the fire

If the boys had some matches, they could light the fire.

22 tháng 11 2019

Ex1: (Conditionals,I wish,Past Subjunctive) Finish each of the following sentences in such a way that it means the same as the sentences printed before it

1,The only reason Jimmy often gets bad marks is because he is lazy

If Jimmy.....weren't lazy , he wouldn't often get bad marks

2,We got lost because we didn't have a map

If we.....had a map , we wouldn't get lost

3,We didn't go on holiday because we did not have enough money

If we.had enough money , we would go on holiday ...

4,She didn't hurry,so she missed the train

If she.had hurried , she would have missed...

5,I bought beef because I didn't know she couldn't eat it

If I.... had known she couldn't eat beef, I wouldn't have bought beef.

6,Providing that you leave a forwarding address,we will be able to contact you

Unless you leave a forwarding address, we will be able to contact you

7,Unless you save some money,you will never be able to buy a car

Provided that.. you save some money, you will be able to buy a car...

8,The boys don't have any matches,so they can't light the fire

If the boys. had some matches, they could light the fire...

Rewrite 1.She is so selfish,so we don't like her If.................... 2.If you didn't speak quickly,I cou;d understand you Unless..................................... 3.Hurry up or we will miss the bus If we............................... 4.Do the test carefully or you may get bad mark If you............................... 5.Uncles Nga hurries,she will mis the last train If Nga.............................. 6.Mary doesn't buy this shirt because she doesn't have enouugh money If...
Đọc tiếp

Rewrite

1.She is so selfish,so we don't like her

If....................

2.If you didn't speak quickly,I cou;d understand you

Unless.....................................

3.Hurry up or we will miss the bus

If we...............................

4.Do the test carefully or you may get bad mark

If you...............................

5.Uncles Nga hurries,she will mis the last train

If Nga..............................

6.Mary doesn't buy this shirt because she doesn't have enouugh money

If Mary

7.Tom eats too much,so he gets fat

If Tom........................

8.I am not free today,so we can't go to the beach

We could......................

9.It's rainy,so the children can't go swimming

The children could................

10.Give him some advice or he won't know what to do

If you.............................

11.He will get wet unless he puts the raincoat on

If he

12.We don't buy a lot of new books because we don't have a lot of money

We would...........

0
19 tháng 8 2017

1. We could do the test . It was very difficult (although)
=> Although the test was very difficult , we could do it

2.Tom couldn't go too school. He was ill ( so...that)
=> Tom was ill so that he couldn;t go to school

3.Solar anergy is cheap . It is also clean ( not only ... but also )
=> Solar energy is not only cheap but also clean

4. They arrived very late . They didn't see the beginning of the film (so...that)
=> They arrived very late so that they didn't see the beginning of the film

5.It was an expensive car . We couldn't afford to buy it(such)
=> It was such an expensive car that we couldn't afford to buy

6. There was few people at the meeting . It was cancelled(because)
=> The meeting was cancelled because there was few people at this

7.. We couldn't understand her because she spoke too fast (Therefore)
=> She spoke too fast,therefore we couldn;t understand her

8.I've meet too many people. I can't remember all their name (because)
=> I can't remember all their name because I've meet too many people

9. These exercise are very difficult . She can't do them (such...that)
=> These are such difficult exercise that she can't do them

10. It rained heavily . They went to school(despite)
=> Depite rainning heavily, they went to school

11. I can't go with you . I have a lot of work to do(Because of)
=> Because of having a lot of working, I can't go with you

19 tháng 8 2017

1. We could do the test . It was very difficult (although)
Although the test was very difficult, we could do it

2.Tom couldn't go too school. He was ill ( so...that)
Tom was so ill that he couldn't go to school

3.Solar anergy is cheap . It is also clean ( not only ... but also )
Not only is solar energy cheap but it also clean

4. They arrived very late . They didn't see the beginning of the film (so...that)
They arrived so late that they didn't see the beginning of the film

5.It was an expensive car . We couldn't afford to buy it(such)
Such an expensive car ! We couldn't afford to buy it

6. There was few people at the meeting . It was cancelled(because)
It was cancelled because there was few people at the meeting

7.. We couldn't understand her because she spoke too fast (Therefore)

8.I've meet too many people. I can't remember all their name (because)
I can't remember all people name because I've met too many people

9. These exercise are very difficult . She can't do them (such...that)
It's such a difficult exercise that she can't do them

10. It rained heavily . They went to school(despite)
Despite heavy rain, they went to school

11. I can't go with you . I have a lot of work to do(Because of)
Because of doing a lot of work, I can't go with you

I. Put the verds in brackets into the correct forms: 1. If I (have) ..... time, I will write to him. 2. If it's cold, I (need) .... a heavier coat 3. What are you going to do if you (have).... a holiday? 4. If I meet Helen, I (give)..... her your messenger 5. If I can go tomorrow, I (let)..... you know 6. If flowers don't get any water, they (die).... 7. Don't come if they (not call)....you 8. If I didn't feel so tired, I (go).... out with you. 9. I could repair the car if I (have).... the...
Đọc tiếp

I. Put the verds in brackets into the correct forms:
1. If I (have) ..... time, I will write to him.
2. If it's cold, I (need) .... a heavier coat
3. What are you going to do if you (have).... a holiday?
4. If I meet Helen, I (give)..... her your messenger
5. If I can go tomorrow, I (let)..... you know
6. If flowers don't get any water, they (die)....
7. Don't come if they (not call)....you
8. If I didn't feel so tired, I (go).... out with you.
9. I could repair the car if I (have).... the right tools.
10. If she hadn't been ill yesterday, she (go)..... to work now.
II. Rewrite these sentences, beginning as shown, so that the meaning stays the same:
1. If you don't like this one, I'll bring you another.
=> Unless......
2. I'll only help you if you promise to try harder.
=> Unless......
3. Unless you work hard, you will not fail the exam
=> If.......
4. Stand up or you will be punished.
=> Unless.....
5. Do your homework or you will get bad mark
=> If.....
III. Rewrite these sentences use "If"
1. I don't know enough about this machine, so I can't mend it myself.
=> If.......
2. I don't ride the bus to work every morning because it's always so crowed
=> If......
3. The wwind is blowing hard, so I won't take the boat out for ride.
=> If........
4. Nick can'r find the way because he doesn't have a map.
=> If........
5. Susan felt sick because she ate many cream cake.
=> If.....
6. Without this treatment, the patient would have died.
=> If......
7. Those people weren't prepared to face the floods; therefore, the consequence was disastrous
=>If......
IV. Rewrite these sentences
1. The book was so expensive that I didn't buy it.
=> The book was too.....
2. He can touch the light because he's very tall
=> He is....
3. It is such good weather that they are going for picnic.
=> The weather.....
4. I didn't go and neither did my friend (either)
=> .......


#Giúp với ạ!! T^Tgianroi

1
26 tháng 7 2017

I. Put the verds in brackets into the correct forms:
1. If I (have) .have.... time, I will write to him.
2. If it's cold, I (need) .will need... a heavier coat
3. What are you going to do if you (have).have... a holiday?
4. If I meet Helen, I (give)..will give... her your messenger
5. If I can go tomorrow, I (let)...will let.. you know
6. If flowers don't get any water, they (die)..will die..
7. Don't come if they (not call)..don't call..you
8. If I didn't feel so tired, I (go)...would go. out with you.
9. I could repair the car if I (have).had... the right tools.
10. If she hadn't been ill yesterday, she (go).would have gone.... to work now.
II. Rewrite these sentences, beginning as shown, so that the meaning stays the same:
1. If you don't like this one, I'll bring you another.
=> Unless you like this one, I'll bring you another.
2. I'll only help you if you promise to try harder.
=> Unless you promise to try harder,. I won't help you
3. Unless you work hard, you will not fail the exam
=> If you don't work hard, you will not fail the exam
4. Stand up or you will be punished.
=> Unless you don't Stand up ,you will be punished.
5. Do your homework or you will get bad mark
=> If you don't Do your homework,you will get bad mark
III. Rewrite these sentences use "If"
1. I don't know enough about this machine, so I can't mend it myself.
=> If I knew enough about this machine, I could mend it myself.
2. I don't ride the bus to work every morning because it's always so crowed
=> If it weren't always so crowed, I would ride the bus to work every morning
3. The wwind is blowing hard, so I won't take the boat out for ride.
=> If The wwind wern't blowing hard, I would take the boat out for ride.
4. Nick can'r find the way because he doesn't have a map.
=> If Nick had a map,He could find the way
5. Susan felt sick because she ate many cream cake.
=> If susan hadn't eaten many crea, cake,she wouldn't have felt sick
6. Without this treatment, the patient would have died.
=> If it hadn't been for this treament, the patient would have died.
7. Those people weren't prepared to face the floods; therefore, the consequence was disastrous
=>If Those people had been prepared to face the floods; the consequence wouldn't have been disastrous
IV. Rewrite these sentences

1. The book was so expensive that I didn't buy it.
=> The book was too expensive for me to buy
2. He can touch the light because he's very tall
=> He is tall enough to touch the light
3. It is such good weather that they are going for picnic.
=> The weather is so good that they are going for picnic.
4. I didn't go and neither did my friend (either)
=> I didn't go and my friend didn't,either

1) It is late now; I don't think Ann will come to see us -> I would be surprised if ....................................... 2)We don't go on holiday because we don't have enough money -> If........................................................................ 3) Do these exercises more carefully or you will fail the exams -> Unless...................................................................... 4) I do not know the answer so I can not tell you ->...
Đọc tiếp

1) It is late now; I don't think Ann will come to see us

-> I would be surprised if .......................................

2)We don't go on holiday because we don't have enough money

-> If........................................................................

3) Do these exercises more carefully or you will fail the exams

-> Unless......................................................................

4) I do not know the answer so I can not tell you

-> If......................................................................

5) She can't apply for the job because she doesn't know French

-> If she new.........................................................

6) if she didn't come here now, we'd come back home

-> Unless....................................................................

7) Be careful or you will not be able to get the job

-> Unless................................................................

8) The tress will die unless it rains soon

-> If...........................................................

1
25 tháng 7 2018

1) It is late now; I don't think Ann will come to see us

-> I would be surprised if Ann came to see us.

2)We don't go on holiday because we don't have enough money

-> If we had enough money, we would go on holiday.

3) Do these exercises more carefully or you will fail the exams

-> Unless you do these exercises more carefully, you will fail the exams.

4) I do not know the answer so I can not tell you

-> If I knew the answer, I could tell you.

5) She can't apply for the job because she doesn't know French

-> If she knew French, she could apply for the job.

6) if she didn't come here now, we'd come back home

-> Unless she came here now, we'd come back home.

7) Be careful or you will not be able to get the job

-> Unless you are careful, you will be able to get the job.

8) The trees will die unless it rains soon

-> If it doesn't rains soon, the trees will die.

EXERCISE ; Rewrite the jollowing sentences using If clauses. 1.She can't be employed because she doesn't have a college degree. - 2.I don't have enough money. I can't go on a long holiday this year. - 3.He is very slow, so we won't give his such an important task. - 4.I'll have to work this Sunday ,so I shan't join your picnic. - 5.He works overtime to get more money because he has to pay father's debt. - 6.City life isn't enjoyable because everything is very expensive. - 7.There...
Đọc tiếp

EXERCISE ; Rewrite the jollowing sentences using If clauses.

1.She can't be employed because she doesn't have a college degree.

-

2.I don't have enough money. I can't go on a long holiday this year.

-

3.He is very slow, so we won't give his such an important task.

-

4.I'll have to work this Sunday ,so I shan't join your picnic.

-

5.He works overtime to get more money because he has to pay father's debt.

-

6.City life isn't enjoyable because everything is very expensive.

-

7.There are industrial factories inside the city , that's why pollution can't be reduced

-

8.Everything on the earth grows well because the sun always shines.

-

9.There is a grammar error in this English composition, that's why it can't get a full mark.

-

10.I don't have a typewriter. I can't type it myself.

-

11.I'll buy a new hat. I'll give it to you

-

12.You'll ask the teacher. He'll explain the lesson to you.

-

13.Mary doesn't see the sight.She can't tell you about that.

-

14.I don't know his address. I can't give it to you.

-

15.He didn't look a lot better because he didn't shave more often.

-

16.She was ill .She didn't go to work.

-

17.It was raining all morning. We didn't go out.

-

18.He was tired. He made a mistake.

-

19.Peter didn't write to me. I didn't wirte to him.

-

20.You didn't ask Alise .She didn't tell you the truth.

-

2
18 tháng 5 2018

1/ She can’t be employed because she doesn’t have a college degree.
=>If she had a college degree, she would be employed.
2/ I don’t have enough money. I can’t go on a long holiday this year.
=>If I had enough money, I could go on a long holiday this year.
3/ He is very slow, so we won’t give his such an important task.
=>Because he is very slow, we won’t give his such an important task.
4/ I’ll have to work this Sunday, so I shan’t join your picnic.
=>Because I have to work this Sunday, I shan’t join your picnic.
5/ He works overtime to get more money because he has to pay father’s debt.
=>He works overtime to get more money because of his father’s debt.
6/ City life isn’t enjoyable because everything is very expensive.
=>Everything is very expensive, so city life isn’t enjoyable.
7/ There are industrial factories inside the city, that’s why pollution can’t be reduced.
=>There are industrial factories inside the city, so pollution can’t be reduced.
8/ Everything on the earth grows well because the sun always shines.
=>Everything on the earth grows well because of the sunshine.
9/ There is a grammar error in this English composition, that’s why it can’t get a full mark.
=>There is a grammar error in this English composition, so it can’t get a full mark.
10/ I don’t have a typewriter. I can’t type it myself.
I can’t type it myself because I don’t have a typewriter.

18 tháng 5 2018
11. I'll buy a new hat. I'll give it to you.
=>If I buy a new hat, I'll give it to u
12. Today isn't Sunnday. The pupils can't go swimming.
=>If today was Sunday the pupils could go swimming
13. He wasn't here. He didn't have a lot of fun.
=>If he had been here he would have a lot of fun
14. My brother will have anough money. He will buy a bicycle.
=>If my father has enough money he'll buy a bicycle
15. He didn't have time. He didn't read this novel.
=>If he had had time he would have read thí novel
16. Because she missed the bus, she was late.
=>If she hadn't missed the bus she wouln't have been late
17. Peter doesn't study hard, so he can't get good marks.
=>If Peter studied hard he could get good marks
18. My sister is absent from her class because she has a terrible headache.
=>If my sister didn't have a terrible headache she would be absent from her class
19. Windy didn't come, so we cancelled the meeting.
=>If windy had come we wouldn't have cancelled the meeting
20. He was angry, so he didn't say anything.
=>If he hadn't angry he would have said something