EXERCISE I: Put the verbs in brackets in correct tenses 1/ If I (have) a typewriter, I could type it myself 2/ If I had known that you were in hospital, I (visit) you 3/ You could make much progress if you (attend) class regularly 4/ If I (know) his telephone number, I would give it to you 5/ If you (arrive) ten minutes earlier, you would have got a seat 6/ If he (study) harder, he can pass an exam 7/ She may be late if she (not hurry) 8/ Tell him to ring me if you (see) him 9/ If you (speak) more slowly,he might have understood you 10/ What (you do) if you got fat? Exercise II : Supply the correct verb tense 1/ If you are kind to me, I (be) _ good to you 2/ He (come) _ if you waited 3/ If you (ring) _ the bell, the servant would come 4/ If I had known that the baby was hungry, I (feed) _ him 5/ If it (not, rain) _ a lot, the rice crop wouln’t grow 6/ If today (be) _ Sunday, we wouldn’t have to work 7/ If she had had your address, she (write) _ to you 8/ We lost the match If you (play) _ for us, we (win) _ 10/ They would not be paid unless they (do) _ their work well Bài tập 3: Cho dạng động từ ngoặc If we meet at 9:30, we (have) _plenty of time (nhiều thời gian) If you (find) _ a gun in the cellar (một súng hầm rượu) , don't mention it to anyone (đừng đề cập đến ai) The zookeeper would have punished (phạt tiền) her with a fine (1 khoản tiền) if she ( feed) _ the animals If you pass your examination, we (have) _a celebration.(lễ kỉ niệm) Lisa would find the milk if she (look) _ for it in the fridge What (happen) _if I press this button? (nếu nhấn chuông này) The door will be unlocked if you (press) _ the green button I should have voted for her if I (have) _ a vote then If you go to Paris, where you (stay) _? 10 If you (swim) _ in this lake, you'll shiver from cold.(bạn rùng mình) 11 If someone offered to(đề nghị) buy you one of those rings, which you (choose) _? 12 The flight may be cancelled if the fog (get) _thick 13 If the milkman (come) _, tell him to leave two pints (pint: đơn vị đo lường nước Anh,bằng 0.58 lít, Mỹ 0,473 lít) 14 I (call) _ the office if I were you 15 Someone (sit) _on your glasses if you leave them there 16 You would hear my explanation (lời giải thích) if you (not talk) _so much 17 What I (do) _if I hear the burglar alarm?(chuông bảo chống trộm) 18 If you (read) _the instructions carefully, you wouldn't have answered the wrong question 19 If Mel (ask) _ her teacher, he'd have answered her questions 20 I would repair (sửa chữa) the roof myself if I (have) _a long ladder (cái thang dài) 23 We'll have a long way to walk if we (run) _out of petrol here 25 If you spoke louder, your classmates (understand) _ you 40 Dan (arrive) _ safe if he drove slowly Bài 4: Chọn đáp án để điền vào chỗ trống If I the same problem you had as a child, I might not have succeeded in life as well as you have A have B would have C had had D should have I you sooner had someone told me you were in the hospital A would have visited B visited C had visited D visit more help, I would call my neighbor A needed B should I need C I have needed D I should need then what I know yesterday, I would have saved myself a lot of time and trouble over the years A had I known B did I know C If I know D If I would know Do you think there would be less conflict in the world if all people the same language? A spoke B speak C had spoken D will speak If you can give me one good reason for your acting like this, this incident again A I will never mention B I never mention C will I never mention D I don't mention If I had known you were asleep, I so much noise when I came in A didn't make B wouldn't have made C won't make D don't make Unless you all of my questions, I can't anything to help you A answered B answer C would answer D are answering Had you told me that this was going to happen, I it A would have never believed B don't believe C hadn't believed D can't believe 10 If Jake to go on the trip, would you have gone? A doesn't agree B didn't agree C hadn't agreed D wouldn't agree 11 J: "John went to the hospital alone" K: "If , I would have gone with him" A had he told me B he had told me C he has told me D he would tell me 12 If you , I would have brought my friends over to your house yesterday to watch T.V, but I didn't want to bother you A had studied B studied C hadn't studied D didn't study 13 Peter: "Did you need help with your Math last night?" Mary: "If I had needed, I you" A would call B called C would have called D will call 14 If someone in to the store, smile and say, "May I help you?" A comes B came C come D should come 15 "Here's my phone number" "Thanks I'll give you a call if I some help tomorrow" A will need B need C would need D needed 16 If I didn't work for an accounting firm, I in a bank now A work B will work C have worked D would work 17 The death rate would decrease if hygienic conditions improved A was B is C were D had been 18 The education in Japan if the basic principles of education had not been taken into consideration A would go down B would have gone down C went down D had gone down 19 If there , the rice fields could have been more productive A had been enough water B were enough water C would be enough water D are enough water 20 The patient will not recover unless he an operation A had undergone B would undergo C undergoes D was undergoing 21 If she him, she would be very happy A would meet B will meet C met D should meet 22 If he a thorough knowledge of English, he could have applied for this post A had had B had C has D has had 23 If I had enough money, I abroad to improve my English A will go B would go C went D should have go to 24 The bench would collapse if they on it A stood B stand C standing D stands 25 If it convenient, let's go out for a drink tonight, A be B is C was D were Exercise 1: will have find had fed looked will happen press will you stay 10 swim 11 would you choose 13 comes 14 would call 15 will sit 17 will you 18 had read 19 had asked 21 will go 22 would you 23 run 25 would have understand 26 comes 28 had worn 29 leaves 30 would have had 32 don’t change 33 wouldn’t have bought 35 would be 36 would have brought been 38 wouldn’t have printed 39 wouldn’t buy Exercise 2: C A B A A A B B A 10 C 11 B 12 C 13 C 14 A 15 B 16 D 17 C 18 B 19 A 20 C 21 C 22 A 23 B 24 A 25 B will had had 12 gets 16 don’t talk 20 had 24 won’t be 27 wouldn’t have 31 Tell 34 37 would have 40 would drive