Give the correct form of the verbs in brackets.
25. If he _______had_________free time, he would go swimming. (have)
26. If I had much money, I ________would buy________a new car. (buy)
27. If the weather __________were______cool, the bananas wouldn’t spoil. (be)
28. If Ba were rich, he __________would travel______travel aroud the world. (travel)
29.What would you do if you _________saw______a UFO? (see)
30. If you can’t find your place, I _____will help____you get there with this map. (help)
Give a suitable preposition to each gap below.
31. There were more than 1,500 UFO sightings____in___the world in 1952.
32. He saw a plate-like device___on____ the treetop.
33. There is still evidence___for___people to believe__in_____ the existence of UFOs.
34. You will weigh 8 kilos heavier____in___the moon.
35. You must get a letter___from____the doctor that shows you are____in___ perfect health. Rewrite the following setences as directed. 36. Ba isn’t rich. He won’t travel around the world.  If Ba were _____________rich, he would travel around the world________________________________________________________
37. I’m not rich, so I can’t buy that house.  If I were _____rich, I would buy that house_________________________________________________________________
38. I can’t give you a ride because I do’t have a motorbike.  If I had ____________a motorbike, I could give you a ride____________________________________________________________
39.Water these plants or they will die.  If you don’t ________water these plants, they will die ____________________________________________________________
40. Hurry up or we’ll be late for the concert.  I we don’t __________hurry up, we will be late for the concert___________________________________________________________
41. You don’t save electricity. You pay a lot of money. ________If you don't save electricity, you will pay a lot of money.______________________________________________________________________
42.We don’t have enough money, so we don’t buy those new comics. ________If we had enough money, we would buy those new comics.

______________________________________________________________________
43. She is not free today, so she can’t go to the movie with her friends. _____If she were free today, she could go to the movie with her friends _________________________________________________________________________
44. He is so lazy. He fails the final exam. ________If he weren't so lazy, he wouldn't fail the exam.______________________________________________________________________
45. The weather is not fine. The children don’t play outdoors. __________If the weather were fine, the children would play outdoors.____________________________________________________________________
46. Thu cannot swim, so she doesn’t go to the swimming pool with her friends. _________If Thu could swim, she would go to the swimming pool with her friends._____________________________________________________________________
47. People don’t see the UFO, so they don’t call the National UFO Reporting Centre. _______If people saw the UFO, they would call the National UFO Reporting Centre.

_______________________________________________________________________
48. She doesn’t keep the refrigerator door closed, so she cannot save the energy. __________If she kept the refrigerator door closed, she could save the energy.

____________________________________________________________________
49. There is much traffic, so the air is polluted by the waste smoke. ___________If there weren't so much traffic, the air wouldn't be polluted by the waste smoke.___________________________________________________________________
50. Ba isn’t fast enough to catch the school bus. ____________If Ba were fast , he could catch the school bus.__________________________________________________________________
Fill in each blank with a suitable word in the box.
--planet – aircraft – objects – sky – meteor
– spacecraft – UFO – in--
UFOs are strange flying __objects____(51) that some people report that they have seen in the ____sky__(52) and believe to be ____meteor__(53) from another ___planet___(54) Many scientists do not believe so. They say if people see a __UFO____(55), it might be an __aircraft____(56), a weather balloon or a _____spacecraft_(57). However, there is still evidence for people to believe ____in__(58) the existance of UOFs.

Give the correct forms of these verbs

1. If he (have)...had...free time, he would go swimming

2. If I had much money, I (buy)..would buy.... a new car

3. He (write)..would write..to her if she wrote to him

4. If the weather (be)..were..cool, the bananas wouldn't spoil

#Yumi

1. If I meet him, I will tell him to come to see you immediately.

2. If he had the money, he could afford a new car.

3. If I were you, I could go to that seminar for more expertise.

4. You can do everything more perfectly if you listen to what I say.

5. If he wins the contest this time, he will be very rich.

6. If she worked lazily, she would be tired.

1.If you [see].....saw.....a UfO, what would you do?

2.If Ba.......were.....[be] rich, he would travel aorund the world

3.If Mr. Loc [have].....had........a car, he would drive to work

4.If Lan lived in HCM city, he[visit].....would visit....Saigon Park.

5.Nam would arrive on time, if he [have]...had....alarm clock

6.If Nga [own]...owned..a piano, she would play well

7.If Tuan [get]....got....better grades , he would study harder.

8.If I had a typewriter, I [type]....would type.......it myself

9.If I [know].......knew.....his address, I'd give it to you

10.If he worked more slowly he [not make]........would make....so many mistakes

11.More toursts would come to this country if it [hace]....had...abetter climate

12.If I [win].......won......a big price in a lottery I 'd givve up my job

13.What would you....do........[would do]......if........you found a burglar in your house

14.He might get fat If he [stop]....stopped........smoking

15.If he knew that it was dangerous he [not come]....wouldn't come....

16.If you[see].......saw......someone drowning what would you do?

17.I could get a job easyly , if I [have].....had........a degree.

18.What would you do if the lift [get]........got.......stuck between two floors?

19.You wouldn't have so much trouble with your car if you [have]......had........it serviced regularly

20.I'd climb over the wall if there [not be]......wouldn't be.......so much broken glass on top of it

1.'d type

2.knew

3.'d look

4.played

5.would not make

6.were

7.had

8.will you visit

9.gave

10.'d buy

11.cleaned

12.will you able to

13.did not

14.won

15.would you do

ko chac

16. I could tell you what this means if I would know (know) Greek.
17. If everybody gave (give) Ј1, we would have enough
18. He might get fat if he would stop (stop) smoking.
19. If he knew that it was dangerous, he wouldn't come (not come).
20. If you saw (see) someone drowning, what would you do?
21. I would be (be) ruined if I bought her everything she asked for.
22. If you slept under a mosquito net, you wouldn't be (not be) bitten so often.
23. I could get a job easily if I would have (have) a degree.
24. If she would do (do) her hair differently, she might look quite nice.
25. If we had more rain, our crops would grow (grow) faster.
26. The whole machine would fall to pieces if you removed(remove) that screw
27. I keep (keep) a horse if I could afford it. '
28. I'd go and see him more often if he lived (live) on a bus route.
29. If they ban (ban) the sale of alcohol at football matches there might be less violence.
30. I offered (offer) to help if I thought I'd be any use.

1. I would help him if he (ask) …asked………………me.
2. What would you do if you (see) ……saw……………a snake?
3. What would he do if he (have) …had………………a lot of money?
4. John would win more races if he (train) ……trained……………harder.
5. How would your father react if you (leave) ……left……………school?
6. I would gladly tell you the answer if I (know) ………knew…………myself.
7. I would be a millionaire if I (win) ………won…………the first lottery prize.
8. That student could get much higher marks if he (study) ………studied…………harder.
9. The world would be a better place if there (be) ………were…………fewer road accidents.
10. Mr. Nam would be very happy to meet his old friends if they (come) ………came…………to see him.

1, asked

2, saw

3, had

4, trained

5, left

6, knew

7, won

8, studied 

9, were

10, came

cảm ơn ạ

Conditional sentences

1. If John (study) _studies___ hard, he (pass)_will pass___ his examinations

2. I (go) __will go__ shopping with you if I (have)__have__ time tomorrow

3. I (speak)_will____ with him if he (arrive) __arrives___ on time

4. If the train(be) __is___ late. We (not/be)__won't be__ able to see them

5. If the weather (be)___is__ nice tomorrow, I (go) __will__ shopping with you

6. He(find) __will__ a job somewhere if he (try)_tries___ hard

7. If he( fail)__failes___ the text , he (have)__will have__ to repeat the course

8. We (be)__will___ in the dark if you(turn)__turn___ off the light

9. If he(have)_has___ free time, he will go swimming

10. If you(come) __come__ into his garden, the dog will bite you

11.If I have much money, I (buy) __will__ a new car

12.They will take him to the movies if he(come)_comes___ there

13. If it(not rain)_isn't rain__ tonight, I will go to the theater

14. Where__will__ you(go)_go__ next week if you (have)_have__ a car?

em cảm ơn

  1. were

  2. were

  3. What would you do if you won a lot of money?

  4. came

  5. studied

  6. would destroy

  7. were

  8. saw

  9. If she revised the old lesson, she wouldn't get bad marks.

  10. If she had money, she wouldn't be bored.

1. He would tell you about if he ( be ) were here

2. We could play tennis if it  were( be ) fun

3. What would you  ( do ) do if you ( win ) won a lot of money ?

4. Would you mind if I ( come ) came a little tomorrow ?

5 . If he ( study ) studied hard , he could not fail his exam

6. Our lives ( destroy )  would destroy if the earth didn't go around the sun

7. If I ( be ) were you , I would travel around the world

8. I would take photos of UFO if I ( see ) saw  them