Cau dieu kien

I. Dien vao cho trong voi tu trong dau ( ) 1) If he ------------ (to come) earlier, he ------------------------ (to meet) Tina. 2) The water in the pool ----------- (to be) warmer if the sun ----- (to shine) more often. 3) If Betty ----------(to write) more applications, she--------- (to get) an apprenticeship. 4) If I-------------(to see) you, I -------------------------(to talk) to you. 5) We ----------------(to given) the man the documents if we------------- (to know) him. 6) If you------------------(to phone) me, I-----------------------(to record) the show. 7) They --------------------(to understand) the film if they------------- (to read) the book. 8) If the car ---------------(to turn) left, the old lady -------------------(to cross) the street. 9) If she ---------------------(to realize) the red traffic light, she------------ ------(to stop). 10) The boys ---------------(to win) the match if they ------------------(to train) regularly.
11. If Caroline and Sue (prepare)the salad, Phil (decorate) the house.
12. If you (send) this letter now, she (receive) it tomorrow.
13. If Sue (cut) the onions for the salad, Caroline (peel) the mushrooms.
14. If I (do) this test, I (improve) my English.
15. Jane (hover) the sitting room if Aaron and if somebody Tim (move) the furniture.
16. If I (find) your ring, I (give) it back to you.
17. Peggy (go) shopping if she (have) time in the afternoon.
18. If Bob (tidy) up the kitchen, Anita (clean) the toilet.
19. Elaine (buy) the drinks (help) her carry the bottles.
20. If Alan and Rebecca (organize) the food, Mary and Conor (make) the sandwiches.
II. Viết lại câu dùng cấu trúc if
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) We can’t get the ticket because I don’t have the right change. => If……. 9) Study hard or you won’t pass the exam. => If……. 10) Don’t be impatient or you will make mistakes. If…….

III. Chia dong tu voi if

1) If that hat costs much, I (buy) a small one. 2) If you (drive) more carefully, you wouldn’t have had so many accidents. 3) If I (make) that mistake again, my teacher will get angry with me. 4) If I spoke English, my job (be) a lot easier. 5) If he (go) to London yesterday, he (met/would meet/had met/would have met) his old friend. 6) I will lend them some money if they (ask) me. 7) If we had known who he was, we (invite) him to speak at our meeting. 8) My dog will bark if it (hear) any strange sound. 9) If I (have) enough money, I would buy a house. 10) They (let) you in if you come late. 11) If you (not go) away, I’ll send for a policeman. 12) If I (be) in your place, I would accept Mr. Anderson’s invitation. 13) If I (win) a big prize in a lottery, I’d give up my job. 14) If I (be) you, I (tell) the truth. 15) I was busy. If I (have) free time. I (go) to the cinema with you. 16) Why didn’t you attend the meeting? Oh, I did not know. If I (know) I (come) there. 17) What we(do)  if they do not come tomorrow? 18) If I had enough time now, I (write) to my parents. 19) It’s too bad Helen isn’t here. If she (be) here