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a) unless you are careful, you will cut yourself with that knife
b) unless you this one, I'll bring you another
c) Unless she hurries, she will be late
d) I'll not be able to do any work unless I have a quiet room.
e) Unless she waters these trees, they will die.
f) He will stay here unless he wants to go.
1. If you are not careful, you will cut yourself with that knife.
-> Unless you are careful, you will cut yourself with that knife.
2. If you do not like this one, I’ll bring you another.
-> Unless you like this one, I’ll bring you another.
3. I’ll not be able to do any work if I do not have a quiet room.
-> I’ll not be able to do any work unless I have a quiet room.
correct the verb form
1,if you(go)..........go............away,please write to me
2,if you (be)............are...........in,i should have given it to you
3,if he(he).............has..........another cake,he will be sick
4,i (not do).........wouldn't do............that if i (be)......were............you
5,if he(take).............takes..........my advice everything can go well
6,i would have come sooner if i (know)......have known...........you were here
7,he never does homework .if he (do).....didn't do............his homework he(not worry).....wouldn't worry............about his examination
8,it is too bad we lost the game.if you(play)....play..............for us ,we(win).........will win..........9,what you (do)........will you do.............if she refuses your invitation?
10,if today (be).........is..........sunday,we(go)...........will go......to the beach
11,unless they (pass)......pass......their examinations thay would join the army
12,you(be).........will be.............ill if you drink that water
13,if tom (go).......went..........to bed earlier he would not be so tired
14,had we known your address,we(write)......wrote..............you a letter
15if it is raining heavily,we (not go)........won't go.............for a donkey ride
16,if he (try).........tries...........hard,he 'll pass the examination
17,i could understand the frech teacher if she (speak)..........speaks........more slowly18,if she(not be)............haven't been.......busy,she would have come to the party
19,if i(finish).....finish.........the work in time i (go)........will go...................to the football game
20,if you(see).........see........mary today,please (ask)........ask...........her to call me
Rewrite these sentences with conditional sentence type 1
1.Unless you write your lessons, you will not understand.
If you don't write your lessons, you will not understand.
2. Unless you close the door, you will get a cold.
If you don't close the door, you will get a cold.
3. If she isn't thirsty, she will not stop.
Unless she is thirsty, she will not stop.
4. Unless there is a car, he can't get there in time.
If there isn't a car, he can't get there in time.
5. Unless they buy that house, they will have nowhere to live.
If they don't buy that house, they will have nowhere to live.
6. If he learns hard, he should be rewarded.
Should he learn hard, he will be rewarded.
Rewrite these sentences with conditional sentence type 1
1.Unless you write your lessons, you will not understand.
=> If you .................................don't write your lessons, you will not understand..............................................
2. Unless you close the door, you will get a cold.
=> If you ................................don't close the door, you will get a cold.............................................
3. If she isn't thirsty, she will not stop.
=> Unless .................................she is thirsty, she will not stop............................................
4. Unless there is a car, he can't get there in time.
=> If there ................................isn't a car, he can't get there in time..........................................
5. Unless they buy that house, they will have nowhere to live.
=> If ......................................they don't buy that house, they will have nowhere to live..............................................
6. If he learns hard, he should be rewarded.
=> Should .................................he learn hard, he will be rewarded......................................
Chúc bạn học tốt!
Exercise 1:
- I won't go to school unless I feel better.
- Tony won't walk to you unless you question him.
- You'll be cold unless you put your overcoat on.
- You will fail the exam unless you work hard.
- You'll get a cold unless you keep your feet dry.
- I won't go to the party unless you go.
- I'll miss my flight unless I leave now.
- I can't send you a postcard unless you give me your address.
- I can't build a school for the poor unless I win a big lottery.
- I will call the police unless you leave me alone.
I. Choose the sentences that have the same meaning with the given sentences.
96. Unless he takes these pills, he won’t be better.
A. If he takes these pills, he won’t be better.
B. He will be better if he takes these pills.
C. If he doesn’t take these pills, he will be better.
97. The last time I visited my grandparents was two years ago.
A. I used to visit my grandparents every two years.
B. I haven’t visited my grandparents for two years.
C. I didn’t visit my grandparents two years ago.
Choose the sentence that has the same meaning as the first.
24. If you are not careful, you will cut yourself with that knife.
A. Unless you are careful, you will cut yourself with that knife.
B. If you are careful, you will cut yourself with that knife.
C. Unless you are not careful, you will cut yourself with that knife.
D. Unless you were careful, you will cut yourself with that knife.
25. Because he doesn’t leave immediately, I call a policeman.
A. Unless he leaves immediately, I won’t call a policeman.
B. If he leaves immediately, I won’t call a policeman.
C. Unless he leaves immediately, I will call a policeman.
D. If he left immediately, I wouldn’t call a policeman.
26. Today isn’t Sunday, so the pupils can’t go swimming.
A. If today is Sunday, the pupils could go swimming.
B. If today were Sunday, the pupils could go swimming.
C. The pupils could go swimming unless today is Sunday.
D. The pupils could not go swimming if today isn’t Sunday.
27. Stop talking or you won’t understand the lesson.
A. If you don’t stop talking, you won’t understand the lesson.
B. If you don’t stop talking, you wouldn’t understand the lesson.
C. If you hadn’t stopped talking, you wouldn’t understand the lesson.
D. If you hadn’t stopped talking, you wouldn’t have understood the lesson.
28. If the homework is difficult, I will ask you for help.
A. Unless the homework is easy, I won’t ask you for help.
B. Unless the homework is difficult, I will ask you for help.
C. Unless the homework is easy, I will ask you for help.
D. Unless the homework isn’t difficult, I won’t ask you for help.
29. I’ll let you borrow the book but you must promise to return it next week.
A. If you promise to return the book, I let you borrow it.
B. If you promised to return the book, I’ll let you borrow it.
C. If you promise to return the book next week, I’ll let you borrow it.
D. If you promise to return the book next week, I won’t let you borrow it.