1. She ________________(not miss) the meeting if she ______________________ (be) told on time yesterday.
2. Unless she __________________________(reserve) a ticket, she will not get  a seat. 
3. You _____________(succeed) if you _______________________ (work) hard, but you’re too lazy.
5. I ____________ (buy) that dress if I __________ (have) more money. However, I don’t have enough money.
6. If I _________________________(be) invited to the party I ____________________ (go), but I wasn’t.
7. If you ____________________(exercise) more, you ______________________(lose) some weight.
8. If I ____________________________(be) you, _____________________________(talk) to her.
9. I would not have survived  if she ______________________(not help) me the other day.
10. The baby ______________________ (wake up) if you made a noise.
11. She _______________________(get) the job if she _______________(do) well in the interview yesterday .
12. If he ____________(save) some money, he ______________________(go) on holiday with us last summer.

Ex 3. Give the correct form of the verbs:

1. She won't finish it on time if she ............ (not start) right now.

2. She ............ (get) angry if you  told her.

3. If I ............(ask) him, he won't come.

4. It will be a disaster if they ............ (not help) us.

5. If you ............ (have) something to eat, you wouldn't felt sick.

6. I wouldn't risk it if I ............ (be) you.

7. She would get fat if she ............ (not stop) eating.

8. If you take my advice, you ........................ (be) happy.

9. What would you do if you ........................ (be) me?

10. I will be unhappy if you ........................ (leave) me. 

Ex 4. Rewrite these sentences, unchange their meaning

1. He can’t go out because he has to study for his exam.

=> If ……………………………………………………………………..

2. She is lazy so she can’t pass the exam.

=> If ……………………………………………………………………..

3. He will pay me tonight; I will have enough money to buy a car.

=> If ……………………………………………………………………..

4. He smokes too much; that’s why he can’t get rid of his cough.
=> If ……………………………………………………………………..

5. She is very shy, so she doesn’t enjoy the party.
=> If ……………………………………………………………………..

6. I will get a work permit. I will stay for another month.
=> If ……………………………………………………………………..

7. He doesn’t take any exercises. He is so unhealthy
=> If ……………………………………………………………………..

8. I don’t have an umbrella with me so I get wet.

=> I wouldn’t .…………………………………………………………..

9. I call the police because you don’t leave me alone.

=> If ……………………………………………………………….

10. You drink too much coffee, that’s why you can’t sleep.       

=> If you ………………………………………………………………..

1 Give correct tences of the verbs:

1 if pollution increases, more and more trees (die)............................

2wwe will go for a picnic if the weather (be).................fine tomorrow.

3 Unlesss it (rain)...................they will go shopping.

4 He will be late if he (not/hurry)............................

5 If we (cycle)..........more, there will be less air polllution.

6 We (do)..................this for you if you want.

7 if he (miss)................the bus, he (take) ....................taxi.

8 Unless she (eat)...........fruit,she (get)....a cold.

9 if your father (not/ stop)..............smoking, he (have)...................poblems later.

10 She (go)..................to the party with you if you (invite)...........her.

11 You ( be)..................on time if you (run)...........

12 They (not/see)....................that flim unless they (have)..............time.

13 if you (rent).................a DvD, I (come)...............over to your house.

14 if you (give).....me some money, i (buy)...........some chocolate for you.

15 (he/have)...........an accident if he (drive).............so fast?

16 (you/be)............at home soon if you (leave)...............now?

GIÚP MK VS CẦN GẤP LẮM !!!

1. If it ( not pour ) ________ with rain tomorrow , we can ( go ) ______ on a picnic

2. If James ( start ) _______ to cook now, dinner ( be ) ______ ready in one hour

3. If Jane ( not make ) ________ it the meeting on time, her manager may (get) ________ very angry

4. If they ( be )________ occupied this weekend ,they can ( not come ) _______ to my house for dinner

5. You must ( not leave) _________ the house unless I ( allow )________ you to go

6. Peter ( just waste ) ________ his money if he ( take )________ a course in this English center

7. If he ( be ) __________ late , he can ( not buy ) ________ the tickets

8. Unless she ( pay )________ more attention to the lesson, she ( fail ) _______ the test

9. It ( be )_______ late if you ( not start ) ________ your work now

10. My mother ( not permit )_______ me to go out unless I ( promise ) _______ her to come back before 10

Rewrite these sentences with conditional sentence type 1

1.Unless you write your lessons, you will not understand.

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

2. Unless you close the door, you will get a cold.

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

3. If she isn't thirsty, she will not stop.

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

4. Unless there is a car, he can't get there in time.

If there ..........................................................................

5. Unless they buy that house, they will have nowhere to live.

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

6. If he learns hard, he should be rewarded.

Should .......................................................................

Chọn câu trả lời đúng cho mỗi câu sau.

1. My dog ___ bark unless it is hungry.

​A. don’t​B. won’t

2. Unless you ___ to go to bed early, we should go out.

​A. wants​B. want

3. ___ you don’t slow down, we are going to crash!

​A. If​B. Unless

4. You cannot go into bars ___ you are over 18.

​A. If​B. unless

5. In my country, ____ you cannot speak English, it’s hard to get a good job.

​A. if​B. unless

6. She’ll fail the exam if she ___ study.

​A. if​B. doesn’t

7. We’ll be late ____ we leave soon.

​A. if​B. unless

8. ___ I am not feeling better tomorrow I will go to the doctor’s.

​A. Unless​B. If

9. ____ you do not make the payment in time, your car will be confiscated.

​A. If​B. Unless

10. You will lose your job ___ you change your attitude and become friendlier.

​A. unless​B. If

11. She won’t know the truth ___ you tell it to her.

​A. unless​B. if

12. ____ you arrive early, you’ll be able to meet the customers before the meeting.

​A. Unless​B. If

13. ____ she eats healthy food, she won’t lose some weight.

​A. Unless​B. If

14. They won’t arrive on time ___ they finish the work early.

​A. unless​B. if

15. Will she able to eat some cake ___ I put eggs in it?

​A. unless​B. if

2- Điền vào chõ trống với dạng đúng của động từ trong ngoặc
1. If I .......your book, I .....it to you (find/ give)
2. She......us if she ......any proplems. (phone/ have)
3. If you .......to the party , I.......with you (go/come)
4. She.....very happy if she ........that new job (not be / not get)
5. If you .....with us, you.......a good time (come/ have)
6. We........you if we ..........the time (help/have)
7. I........for you if you ..........late (not wait/ be)
8. We......camping if it..... (go/ not rain)
9. If there ........a good program on Tv tonight, I.......it (be / watch)
10. We.........swimming if it..........a nice day tomorrow (go/be)

Bài 3: kết hợp các câu sau dùng mệnh đề IF
1. Maybe it will rain tomorrow night. I will stay at home.
2. Maybe it will be hot tomorrow . I will go swimming
3. Maybe Adam will have enough time. He will finish his homework
4. Maybe I won't get a letter tomorrow . I will call my aunt
5. We will go on a picnic. Maybe the weather will be nice tomorrow

24. Get up or you will be late for school.

 If   ____________________________________

25.She was lazy so she could not pass the exam

If   _______________________________________

26. If we don’t get up early, we will miss the train.

Unless  ___________________________________

Câu 27: if Lien ………………..a raincoat, she wouldn’t have got a cold.

A. wears B. wore C. has worn D. had worn

Câu 28: we (go)………… ……………………to the beach yesterday if the sun had been shining.

Câu 29: my family will go skiing if it ( snow)………………………………………………….this winter.

Câu 30: if I (be)…………………………………………….……..in your place, I would accept his offer.

Câu 31: if he had come earlier, he (get)……………………………………………………………the job.

Câu 32: he doesn’t come, so I can’t speak to him about it. (if  clause)

……..….……………………………………………………………………

Câu 33: If I ………………………….……..that you were in hospital, I would have visited you.

A. had known B. known C. have known    D. know

Câu 34: I don’t think we……………….………go to the beach because it rains this afternoon.

A. shouldn’t B. not should C. should be   D. should

Câu 35: If Mary (arrive)………………………………….ten minutes earlier, you would have got a seat.

Câu 36: If I see him, I (give)………………………………………………………….….him a gift.

Câu 37: He wouldn’t have crashed his car if he (not/ fall)………………………….asleep while driving.

Câu 38: I lost my job because I was late for work. (If clause)

…………………...………………………………………………………………………………………….