Put the verbs in the brackets into the correct form:

1. If you (send)____ this letter now, she (receive)____ it tomorrow.

2. Kate (go)____ shopping if she (have)____ time in the afternoon.

3. She (spend)_____ a year in the USA if it (be)____ easier to get a green card.

4. If her boyfriend (phone/not)______ today,she (leave)______him.

5. If you (go)_____ by bike more often, you (be/not)______ so flabby.

6. If he (have)_____ more time, he (earn)______ karate.

I ,

1. if you ________( squeeze ) an orange , you _________ ( get ) orange juice .

2. you _________ (put ) on some more weight if you _______ ( eat ) too much sugar .

3. If i __________ ( study ) a lot , i _______ (pass ) the year .

4. If you ________( press ) that button , the machine _________ ( stop ) functioning .

5. If you_______ ( not /apologise ) , she ______ ( not / forgive ) you .

6. If you ___________ ( want ) the dishes today , I ________ ( dust ) the house .

7. What _____________( hapen ) if i ________ ( press ) this button ?

8 . If there ___________ ( not/be ) enough water in the next few years , many people _______ (die )

9 . If we _______ ( not / recycle ) , we _______ (put ) our own survival at risk .

10. It _________( be) damaged if you ___________ ( press ) it too mucj .

11. If you ____________ ( touch ) the dog ,it _____ ( bite ) you .

12. Students ___________( get) good marks if they ____________( study ) regularly .

Exercise 3: Put the verbs in the brackets in the correct tense
1. David will leave for Rent tomorrow if the weather _____ (be) fine.
2. What will you do if you _____ (not / go) away for the weekend ?
3. The game _____ (start) if you put a coin in the slot.
4. If you _____ (be) scared of spiders, don’t go into the garden.
5. We’ll have to go without John if he ( not arrive) _____soon.
6. Please don’t disturb him if he_____ (be) busy.
7. If she _____ (accept) your card and roses, things will be very much hopeful.
8. If a holiday_____ (fall) on a weekend, go to the beach.
9. If she (come) _____ late again, she’ll lose her job.
10. If he (wash) _____my car, I’ll give him $20.
11. He’ll be late for the train if he (not start) _____ at once.
12. If I lend you $100, when you (repay) _____me?
13. Unless I have a quiet room I (not be able) _____to do any work.
14. If we leave the car here, it (not be) _____ in anybody’s way.

Put the verbs in brackets in conditional sentence type 2. 1. If my parents (be)…………… billionaires, they (travel)…………… to the moon. 2. She (not miss)…………… the bus if she (get)…………. up early. 3. You (see)............... the Great Wall of China if you (be)………… on board of a spaceship. 4. If I (see).…………..an alien, I (tell)………….. you about him. 5. If you (not believe)…………… there exists UFO, you (can)………….. read some reports on this article. 6. If the typhoon (hit)………….. the coast tomorrow, nobody (go)………….. out of their houses. 7. If the typhoon (damage)…………… the pipes, there (be)………….. no electricity. 8. What (people /do)………….. if they (see)……………. the flying saucers? 9. The children (be)……………. excited if their father (not tell)…………. them that news. 10. Hoa (be)…………… able to play the piano well if she (practice)………….. it every day. 11. Phong (get)……………. better grades if he (try)………….. hard. 12. If I (have)……………. an alarm clock, I (not be)…………… late for class. 13. Phong's parents (celebrate)………….. their wedding anniversary if it (be)………….. on Saturday. 14. You (believe)……………. the truth if you (see)…………….. it by your eyes.

EX: Put the verbs in brackets into the correct tenses of the conditionals

1. If she (need)........... a radio, she can borrow mine.

2. If you (not go)............ a way, I'll send for the police.

3. She will be absolutely furious if she (hear).......... about this.

4. If we leave the car here, it (not be).......... in anybody's way.

5. He'll be late for the train if he (not start).......... at once.

6. If he (go).......... on telling lies, nobody will believe a word he say.

7. Unless he (sell)........... more, he won't get much commission.

8. If he (work)......... hard today, can he have a holiday tomorrow?

BÀI TẬP VỀ NHÀ

III. Put the verbs in brackets into the correct form.

1.  We ____________ (stay) at home if it rains.

2.  She will call you if she ____________ (have) time.

3.  If it _________ (not rain) tomorrow, we will go for a picnic.

4.  If everyone _______(recycle) paper, metal and glass, we _____ (not produce) so much rubbish.

5.  If you ________ (not water) plants, they ________ (die).

6.  If the weather __________ (be) bad, we ________ (not go) to the park.

7.  We _____ (save) thousands of trees if we _______ (not waste) so much paper.

8.  What _______ (happen) if we _______ (keep) polluting the environment.

9.  If we ________ (not stop) cutting down so many trees, we ______ (endanger) our oxygen supply.

10.      If people ________ (dump) chemicals into rivers, they _______ (not be) able to swim in them in the

BÀI TẬP VỀ NHÀ

III. Put the verbs in brackets into the correct form.

1.  We ____________ (stay) at home if it rains.

2.  She will call you if she ____________ (have) time.

3.  If it _________ (not rain) tomorrow, we will go for a picnic.

4.  If everyone _______(recycle) paper, metal and glass, we _____ (not produce) so much rubbish.

5.  If you ________ (not water) plants, they ________ (die).

6.  If the weather __________ (be) bad, we ________ (not go) to the park.

7.  We _____ (save) thousands of trees if we _______ (not waste) so much paper.

8.  What _______ (happen) if we _______ (keep) polluting the environment.

9.  If we ________ (not stop) cutting down so many trees, we ______ (endanger) our oxygen supply.

10.      If people ________ (dump) chemicals into rivers, they _______ (not be) able to swim in them in the future.

24. If you shake that bottle of port, it (not be)fit to drink
25. If you spoke louder, your classmates (understand) you.
26. I'll probably get lost unless he (come) with me
27. You (not have)so many accidents if you drove more slowly.
29. If she (leave)the fish here, the cat will eat it.
31.Unless you (tell)the truth, I won't help you.
32.You'll get pneumonia if you (not change) your wet clothes.

22. Don’t be afraid. If you ………….. (touch) the dog, it …………….. (not bite)
23. In those days, if you ……………... (have) a job, you ………….. (be) lucky.
24. It’s always the same ! If I …………………… (decide) to leave the office early, my boss …………………. (call) me 
after I’ve left. 
25. What a terrible thing to happen! Just think, if we ……….. (not miss) the plane, we ……. (kill) in the crash. 
27. Did you enjoy your meal ? If you ……………… (finish) eating, I …………. (clear away) the plates. 
28. Tell him to bring his bicycle in. If he ………… (leave) it outside, someone ………………. (steal) it. 
29. Why didn’t you phone ? If I ………………. (know) you were coming, I ……………. (meet) you at the airport. 
30. It a pity you missed the party. If you …. (come), you ……………. (meet) my friends from Hungary. 
31. If we ……………… (have) some tools, we ………… (be) able to repair the car, but we haven’t got any with us. 
32. Thank you for your help. If you ……………. (not help) me, I …………….. (not pass) the examination. 
33. It’s a beautiful house, and I ………. (buy) it if I ……………..(have) the money, but I can’t afford it. 
34. I can’t imagine what I …………….. (do) with the money if I ………………. (win) the football pools or a lottery. 
35. Mark isn’t a serious athlete. If he ……… (train) harder, he ………………… (be) quite a good runner. 
36. If Claire ……………… ( listen) to her mother, she …………….. (not marry) David in the first place. 
37. It rained every day on our holiday. If we ……………….. ( not take) the television with us, we …………………. ( not 
have) anything to do. 
38. Jim is so untidy ! If he ………………… (buy) some new clothes , he ………….. ( not look) so bad !. 
39. - How did you do in the car rally ? 
 - We came in last actually, just because we got lost. If we …………… (not get) lost, we ………………. (come) in 
somewhere in the middle, we …………….. (not come) in last. 
40. I wasn’t surprised that we got lost because I knew the navigator couldn’t map-read. 
- If you …………. (know) he couldn’t map-read , why ……………… (you/take) him as a navigator ?