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Find and corect the mistakes of these sentences
1.He don't=> DOESN'T go to the class today .
2.I didn't went=>GO to the cinema last night .
3.Mr Brown doesn't lives=>LIVE in a big city .He lives in the countryside .
4.My sister hasn't=>DOESN'T HAVE breakfast very often .
5.Phuc isn't enough strong=> STRONG ENOUGH to lift the bag.
6.They have a full of flowers=>FLOWER garden
7.They no=>AREN'T from Greece.
8.This coffee is too heavy for=>TO drink.
9.Our new car is greens=>GREEN.
10.Mr and Mrs john is=>ARE on holiday.
11.The farmer is worked=>WORKING in the field now.
14.Mrs John alway=>ALWAYS goes to work by bus.
15.Rivers usually flow from=>INTO the sea.
1 do not \(\rightarrow\) does not
2 went \(\rightarrow\) go
3 lives \(\rightarrow\) live
4 hasn`t \(\rightarrow\) does not have
5 enough strong \(\rightarrow\) strong enough
6 flower \(\rightarrow\) flowers
7 no \(\rightarrow\) are not
8 for \(\rightarrow\) to
9 greens \(\rightarrow\) green
10 is \(\rightarrow\) are
11 worked \(\rightarrow\) working
12 paid \(\rightarrow\) pays
14 alway \(\rightarrow\) always
15 flow \(\rightarrow\) flows
1. She is intelligent enough to win the contest to day.
2. The room isn't large enough for us to hold the class meeting
3. These trees aren't big enough for me to grow them in the garden.
4. The lake isn't clean enough for them to swim in it.
5. These fruits are big enough for us to sit in it. (Câu này có vấn đề: Những trái cây này rất to. chúng tôi có thể ngồi trên nó)
6. Today isn't warm enough for our class to go for a picnic by the river.
7. The car is big enough for us to sit in it.
8. He is rich enough to buy whatever he wants.
I . Rewrite the sentences , beginning as shown , so that the meaning stays the same
1. '' Don't walk on the grass'' the gardener said to us
-> The gardener told .....us not to walk on the grass.......................
2. The last time she visited me was five months ago
-> She hasn't .....visited me for 5 months.............................
3. He often went fishing when he was a child
=> He used ........to go fishing when he was a child...................................
4. It took my mother half an hour to wash all those clothes
=> My mother ......spent an hour washing all those clothes..............................
5. His sister is too young to go to school alone
=> His sister isn't ..........old enough to go to school alone..............
1. She can reach the top of the cupboard. She's tall.
=> She is tall enough to reach the top of the cupboard
2. The ladder isn't very long. It doesn't reach the window.
=> The ladder isn't very long enough to reach the window
3. He is strong. He can carry the suitcase.
=> He is strong enough to carry the suitcase
4. The house was very expensive. We couldn't afford to buy it.
=> The house was very expensive enough to buy it
5. He was not patient. He couldn't wait for you.
=> He was not patient enough to wait for you
6. That chair is unconfortable. I don't want to sit on it.
=> That chair is unconfortable enough to sit on it
7. These oranges are sour. We can't eat them.
=> These oranges are sour enough to eat them
8. You aren't well. You shouldn't go to school today.
=> You aren't well enough to go to school today
9. I am not strong. I can't help you
=> I am not strong enough to help you
V. Combine each of the following pairs of sentences adjective + enough + to-infinitive. into one sentence, using (not
1. My sister is old. She can drive a car.
-> My sister is old enough to drive a car.
2. The ladder wasn't very long. It didn't reach the ceiling.
-> The ladder wasn't long enough to reach the ceiling.
3. The fire isn't very hot. It won't boil a kettle.
-> The fire isn't hot enough to boil a kettle.
4. He is strong. He can carry that suitcase.
-> He is strong enough to carry that suitcase.
5. Lan isn't strong. She can't swim across the river.
-> Lan isn't strong enough to swim across the river.
6. She is beautiful and intelligent. She can become Miss World.
-> She is beautiful and intelligent enough to become Miss World.
7. Mr Roberts isn't rich. He can't buy a house.
-> Mr Robert isn't rich enough to buy a house.
8. The worker is very clever. He can make nice things from wood.
-> The worker is clever enough to make nice things from wood.
9. Our team is very good. We win the football matches very often.
-> Our team is good enough to win the football matches very often.
10. The radio isn't small. It can't be put it in your pocket.
-> The radio isn't small enough to be put in your pocket.
V. Combine each of the following pairs of sentences adjective + enough + to-infinitive. into one sentence, using (not
1. My sister is old. She can drive a car.
- My sister is old enough to drive a car
2. The ladder wasn't very long. It di
- The ladder was not long enough to reach the ceiling
3. The fire isn't very hot. It won't boil a kettle.
- The fire is not hot enough to boil..
4. He is strong. He can carry that suitcase.
- He is strong enough to carry the suitcase
5. Lan isn't strong. She can't swim across the river.
- Lan is not strong enough to swim across the river
6. She is beautiful and intelligent. She can become Miss World.
- She is beautiful and intelligent enough to become a Miss World
7. Mr Roberts isn't rich. He can't buy a house.
- Mr Roberts is not rich enough to buy a house
8. The worker is very clever. He can make nice things from wood.
- The worker is clever enough to make nice things from wood
9. Our team is very good. We win the football matches very often.
- Our team is good enough to win the foot ball matches
10. The radio isn't small. It can't be put it in your pocket. dn't reach the ceiling.
The radio isn't small enough to put in your pocket.
Rewrite these sentences ,using ''too'' instead of ''enough''.
1.Jack isn't hard working enough to make progress in his study.
=>Jack isn't working too hard to make progress in his study.
2.I'm not rich enough to help you with the money.
=>i'm not too rich to help you with the money.
3.These organes aren't sweet enough for us to eat
=>These oranges aren't too sweet for us to eat
4.He didn't speak slowly enough for us to understand.
=>He didn't speak too slowly for us to understand.
5.The shelf is too high for the little boy to reach
=>The shelf is high enough for the little boy to reach
6.Tommy doesn't write carefully enough for the teacher to read
=>Tommy doesn't write too carefully for the teacher to read
7.This deserted road isn't safe enough for her to go at night
=>This deserted road isn't too safe or her to go at night
8.The team didn't play well enough to win the match.
=>The team didn't play too well to win the match.
9.She didn't study hard enough to pass her examinations.
=>She didn't study too hard to pass her examinations.
10.She isn't patient enough to ddo embroidery
=>She isn't too patient to do embroidery
11.At 14 you are not old enough to buy school.
=>At 14 you are not too old to buy school.
12.She is not free enough to answer some trivial questions.
=>She is not too free to answer some trivial questions
13.He was not calm enough to threaten the lions.
=>He was not too calm to threaten the lions.
1.Jack isn't working too hard to make progress in his study.
2.I'm not too rich to help you with the money.
3.These oranges aren't too sweet for us to eat
4.He didn't speak too slowly for us to understand.
5.The shelf is high enough for the little boy to reach
6.Tommy doesn't write too carefully for the teacher to read
7.This deserted road isn't too safe or her to go at night
8.The team didn't play too well to win the match.
9.She didn't study too hard to pass her examinations.
10.She isn't too patient to do embroidery
11.At 14 you are not too old to buy school.
12.She is not too free to answer some trivial questions
13.He was not too calm to threaten the lions.
1. He is tall enough to play volleyball.
2. My sister is old enough to drive a car.
3. The radio isn't small enough to put in your pocket.
4. This coat isn't warm enough for me to wear in winter.
Combine each of the following pairs of sentences in to one sentence.Using (not ) adjective + enough + to- infinitive
1.He is tall .He can play volleyball
-> He is enough to play volleyball
2.My sister is old.She can drive a car
-> my sister is old enough to drive a car
3.The radio isn't small .You can't put it in your pocket.
-> The radio isn't big enough to put in your pocket
4.This coat isn't warm.I don't wear it in winter
-> This coat isn't warm enough to wear it in winter
Chúc bạn học tốt 
combine each of the following pairs of sentences into one sentence, using (not) adjective + enough + to infinitive
1. she's not old. she can't get married yet
She isn't old enough to get married.
2. this coat isn't strong. i can't wear it in winter
THIS COAT ISN'T STRONG ENOUGH FOR ME TO WEAR IN WINTER.
3. that chair isn't strong. we can' stand on that chair
THAT CHAIR ISN'T STRONG ENOUGH FOR US TO STAND ON.
4. are you very today? can you read the top shelf?
ARE YOU ____ TODAY ENOUGH TO REACH THE TOP SHELF ?
5. it's not warm today. we can't go outside
IT'S NOT WARM ENOUGH FOR US TO GO OUTSIDE TODAY .
6. i'm not strong. i can't lift this box
I AM NOT STRONG ENOUGH TO LIFT THIS BOX.
7. tom doesn't have money. he can't pay his bills
TOM DOESN'T HAVE ENOUGH MONEY TO PAY HIS BILLS.
8. this bed isn't wide. two people can't sleep in the bed
THE BED ISN'T WIDE ENOUGH FOR 2 PEOPLE TO SLEEP IN.
9. the water wasn't clean. we couldn't swim in it
THE WATER WASN'T CLEAN ENOUGH FOR US TO SWIM IN.
10. he wasn't experienced. he can't do that jod
HE WASN'T EXPERIENCED ENOUGH TO DO THAT JOB.
câu 2 đáng lẽ là : this coat is not strong. we can't stand on that chair
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
Find and correct the mistakes of these sentences
1.He don't=> did not go to the class today.
2.I didn't went=> go to the cinema last night.
3.Mr Brown doesn't lives=> live in a big city.He lives in the countryside.
4.My sister hasn't=> has breakfast very often.
5.Phuc isn't enough strong=> strong enough to lift the bag.
Find and correct the mistakes of these sentences
1.He don't go to the class today.
Sai:don't go =>didn't go
2.I didn't went to the cinema last night.
Sai :went=>go
3.Mr Brown doesn't lives in a big city.He lives in the countryside.
Sai :lives=>live
4.My sister hasn't breakfast very often.
Sai: hasn't=>has
5.Phuc isn't enough strong to lift the bag.
Sai:enough strong =>strong enough