1. He (phone) ......will phone..... me if he knows my number.

2. Please call the doctor if your son (have) ......has.....a temperature.

3. If you don’t study your lesson, you (have) ......will have....poor marks in the examination.

4. If Son passes his exam, he (go) .....will go.....to University.

5. What will you (do) .....do..... if you are free?

6. If they (not miss) .....don't miss..... the first train, they can go with us.

7. I’ll come to see you if I (have) .....have..... spare time

8. If I (have) ......have..... money, I (travel) .....will travel..... around the world.

9. If you want to improve your English, we (can) .....can..... help you.

10. He (must pass) .....must pass..... the coming written test if he (attend) ......attends..... the course.

11. What will you (do) ......do..... if you (have) .....have..... free time?

12. If you come late, they (not let) ......won't let..... you in.

13. Carol and I are friends. I (know) ......have known..... her since I (be) ......was..... a freshman in high school.

14. Let him (do) ......do...... what he wants.

1.  Unless I don’t study, I will not pass the exams. --> bỏ
2. If the sun shines, we would walk to the town. --> will
3. If he will have a temperature, he will see the doctor. --> has
 4. If my friends come, I will am very happy. --> be
5. If she earn a lot of money, she will fly to New York. --> earns

1. If you ( see ) see Ann tomorrow, can you ask her to phone me ?

2. Unless I have a quite room I ( not be able) won't be able to do any work

3. If you could change one thing in the world, what would you (change) change ?

4. If it rains the desert, flowers (come) will come out in a few hours

5. Someone (steal) will steal your car if you leave it unlock

6. You feel cold if the sun ( not shine ) doesn't shine

7 The room ( be) would be more brighter if you painted the wall white

8 Were I an astronaut, I (go) would go to the moon

9. If he (work) works hard today can he have a holiday tomorrow ?

10 Ice (turn) will turn to water if you heat it

11. Should John call, please ( tell) tell him call back later

1. If you ( see )see Ann tomorrow, can you ask her to phone me ?

2. Unless I have a quite room I ( not be able)won't be able to to do any work

3. If you could change one thing in the world, what....you (change)would change

4. If it rains the desert, flowers (come)will come out in a few hours

5. Someone (steal) will steal your car if you leave it unlock

6. You feel cold if the sun ( not shine )doesn't shine

7 The room ( be)will be more brighter if you painted the wall white

8 Were I an astronaut, I (go)would go to the moon

9. If he (work)works hard today can he have a holiday tomorrow ?

10 Ice (turn)will turn to water if you heat it

11. Should John call, please ( tell)tell him call back later

1) why didn't you phone me?If I (known)..knew....you were coming,I (meet)...would meet .you at the airport.

2)It's a pity you missed the party.If you (come)...came ...,you(meet)...would meet...my friend from Hungary

3)If I (have)...have ...my phone here with me ,I (be abe).....will be able ....to call a taxi now but I can't afford it.

4)If Mark (train)........trains .........harder ,he (be).....will be ...........a good runner.

5)He (not be)......wouldn't be .......ill today if he (not walk)......didn't walk ............home in the rain last night.

EX. Chia đt trong ngoặc
1. If you (go) go away, please write to me.
2. If you (be) had been in, I should have given it to you.
3. If you (eat) eat another cake, he will be sick.(có sai chủ ngữ ko vậy?)
4. I (not do) wouldn't do that if I (be) were you.
5. If he (take) takes advice, everything can go well.
6. I'd have come sooner If I knew you were here.
7. he never docs homework. If he (do) his homework. ???
8. If you played for us, we (win) would win.
9.What will you (do) do If she refuses your invitation?
10. If today (be) is Sunday, we(go) will go to the beach.
11. Unless they (pass) passed their examinations, they 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) would have written you a letter
15.If it's raining heavily, we (not go) won't go for a donkcy ride.
16. If he (try) tries hard, he'll pass the examination.
17. I could understand the teacher if she (speak) spoke more sÌowly.
18.If she (not be) hadn't been busy, she would have come to the party.
19. If I (finish) finish the work now, l(go) will go to the football game.
20. If you( see) see Mary today, please (ask) ask her to call me

EX. Chia đt trong ngoặc.
1. If you (go) go away please write to me. (ĐK loại 1)
2. If you (be) had been in, I should have given it to you. (ĐK loại 3)
3. If you (eat) eats another cake, he will be sick. (ĐK loại 1)
4. I (not do) wouldn't do that if I (be) were you. (ĐK loại 2)
5. If he (take) takes advice, everything can go well. (ĐK loại 1)
6. I'd have come sooner If I know you were here.

Câu này sai thì pải!

Sửa: I know \(\rightarrow\) I had known (ĐK loại 3)
7. He never does homework. If he (do) did his homework. (ĐK loại 2)
8. If you played for us, we (win) would win. (ĐK loại 2)
9. What will you (do) do If she refuses your invitation? (ĐK loại 1)
10. If today (be) were Sunday, we (go) would go to the beach. (ĐK loại 2)
11. Unless they (pass) passed their examinations, they would join the army. (ĐK loại 2)
12. You (be) will be ill If you drink that Water. (ĐK loại 1)
13. If Tom (go) went to bed earlier, he would not be so tired. (ĐK loại 2)
14. Had we known your address, We (write) would have written you a letter. (ĐK loại 3)
15. If it's raining heavily, we (not go) won't go for a donkcy ride. (ĐK loại 1)
16. If he (try) tries hard, he'll pass the examination. (ĐK loại 1)
17. I could understand the teacher if she (speak) spoke more slowly. (ĐK loại 2)
18. If she (not be) hadn't been busy, she would have come to the party. (ĐK loại 3)
19. If I (finish) finish the work now, I (go) will go to the football game. (ĐK loại 1)
20. If you( see) see Mary today, please ( ask) ask her to call me. (ĐK loại 1)

Good luck!

1. go
2. Ihad been
3. eats
4. wouldn't do / were
5. takes
6. I had known

7. did
8. would win
9. will / do
10. were / would go
11. passed
12. will be
13. went
14.would have written
15. won't go
16. tries
17. spoke
18. hadn't been
19. finish / will go
20. ask

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

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

18,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

1. if i see him i (give).....will give ...... him a lift

2. if you meet her, (phone).....will phone......me

3. if i find your passport i (telephone)...will telephone........you at once

4. if you had done as i talk you, you (success).....would have succeeded.......

5. if i followed his advice, i (be)......would be ......a fool

6. if i (lose).......lose....my license, i shall lose my job

7. if he had gotten one more mark, he (pass)...would have passed....... the exam

8. if i make a promise, i (keep)...will keep........it

9. if i (be).....were.......in your shoes, i wouldn't buy that house

10. i would have been glad if he (visit)....had visited.......me in hospital

11. if they were rich, they (stay)......would stay......at a hotel

12. if he had offered me the job, i (take)....would have taken.........it

13. she will be angry if you (not, tell).....don't tell.........the truth