1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 BÀI TẬP CÂU ĐIỀU KIỆN Cho dạng động từ ngoặc If we meet at 9:30, we (have) _plenty of time If you (find) _ a skeleton in the cellar, don't mention it to anyone The zookeeper would have punished her with a fine if she (feed) _ the animals If you pass your examination, we (have) _a celebration Lisa would find the milk if she (look) _ for it in the fridge What (happen) _if I press this button? 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) _? If you (swim) _ in this lake, you'll shiver from cold If someone offered to buy you one of those rings, which you (choose) _? The flight may be cancelled if the fog (get) _thick If the milkman (come) _, tell him to leave two pints I (call) _ the office if I were you Someone (sit) _on your glasses if you leave them there You would hear my explanation if you (not talk) _so much What I (do) _if I hear the burglar alarm? If you (read) _the instructions carefully, you wouldn't have answered the wrong question If Mel (ask) _ her teacher, he'd have answered her questions I would repair the roof myself if I (have) _a long ladder Unless they turn that radio off, I (go) _mad If you were made redundant, what you (do) _? We'll have a long way to walk if we (run) _out of petrol here If you shake that bottle of port, it (not be) _ fit to drink If you spoke louder, your classmates (understand) _ you I'll probably get lost unless he (come) _with me You (not have) _ so many accidents if you drove more slowly If you (wear) _ a false beard, nobody would have recognized you If she (leave) _ the fish here, the cat will eat it You (have) _ no trouble at school if you had done your homework Unless you (tell) the truth, I won’t help you You'll get pneumonia if you (not change) _ your wet clothes If I had known that you couldn't eat octopus, I (not buy) _ it If they (hang) _ that picture lower, people would be able to see it She (be) _able to walk faster if she didn’t have such high-heel 35 shoes 36 37 38 39 40 I (bring) _ you some beer if I had known that you were thirsty If you had touched that electric cable, you (be) _ electrocuted If the story hadn't been true, the newspaper (not print) _ it I (not buy) _ things on the installment system if I were you Dan (arrive) _ safe if he drove slowly 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 Choose the best answer to complete the following sentences If I ……….a lot of money now, I ………… a new car a have /will buy b have / would buy c had/ will buy d had/ would buy If I ……………you, I …………….do that a am/ will b were /would c were/ will d had been/ would If I were offered the job, I think I ……… it a take b will take c would take d would have taken 4 I would be very surprised if he…………… a refuses b refused c had refused d would refuse Many people would be out of work if that factory……… down a closes b had closed c closed d would close If she sold her car, she ………… much money a gets b would get c will get d would have got They would be disappointed if we…………… a hadn’t come b wouldn’t come c don’t come d didn’t come Would John be angry if I …… ……his bicycle without asking? a take b took c had taken d would take She ……….terrible upset if I lost this ring a will be b would be c were d had been 10 If someone…………in here with a gun, I would be very frightened a would walk b walks c had walked d walked 11 What would happen if you …………… to work tomorrow? a don’t go b didn’t go c won’t go d wouldn’t go c went d had gone c would buy d would have bought c had told d told 12 We’ll get wet if we ………….out a go b did go 13 If I go shopping, I ………some food a buy b will buy 14 If I find it, I ………you a will tell b would tell 15 What would you if you……………a million dollars? a would win b win c had won d won c hadn’t gone d wouldn’t go 16 They’d be hurt if I ……………… a don’t go b didn’t go 17 If we took the 6: 30 train, we…………too early a would have arrived b arrived c will arrived d would arrive 18 If I had known you were in hospital, I …………to see you a will go b would go c went d would have gone 19 If I …………., I would have said hello a had seen b see c saw d would see 20 I………… out if I hadn’t been so tired a will go b went c would have gone d would go 21 If I ……… a camera, I would have taken some pictures a have b had c would have d had had 22 You won’t pass the examination……………you study more a as long as b unless c if d whether 23 If only I …………you wanted to invest money in business a had known b knew c have known d know 24 If I were to leave my country, I ……………disappointed a probably be b would have been c will be d would be 25 If he hadn’t wasted too much time, he…………….in his examination a would fail b wouldn’t fail c wouldn’t have failed d won’t fail 26 If I had taken that English course, I ……… much progress a had made b would have made c made d would make 27 If I were in your place, I ……….a trip to England a will make b had made c made d would make 28 If I………… you, I’d save some of your lottery winning a be b were c am d was 29 If the car ……… larger, we would have bought it a had been b have been c has been d been 30 If I had enough money, I ……… abroad to improve my English a will go b should go c would go d should have go to 31 If it …… convenient, let’s go out for a drink tonight a be b was c were d is c had d has 32 If you …… time, please write to me a have b have had 33 If you had the chance, ………… you go finishing? a did b would c may d 34 Trees won’t grow ……… there is enough water a if b when c unless d as 35 If you ……… to my advice in the first place, you wouldn’t be in this mess right now a listen b had listened c will listen d listened 36 I wish I …… you some money for your rent, but I’m broke myself a can lend b could lend c would lend d will lend 37 If someone ……… into the store, smile and say, “May I help you?” a comes b came c would come d could lend 38 If you stay up late the previous night, you ……… sleepy the next morning a feel b to feel c feels d will feel 39 If Peter ………., Sarah will be sad because she wants to meet him very much a comes b not come c does not come d will come 40 If his teeth still …… , he will have to go to the dentist’s again a hurt b hurts c to hurt c will hurt 41 If you…………Tom, tell him I have a message for him a will meet b would meet c meet d met 42 If you …………too hot during the night, turn down the central heating a will feel b felt c feel d feels 43 If you …………with your dictionary, I’d like to borrow it a finish b finished c will finish 44 If I lived nearer the centre, I …………always late d are finishing a wouldn’t be b can be c won’t be d will be 45 What would Lan if she ………… the Miss world a would be b were c will be d is 46 If I ………….her, I would have said “hello” a has seen b have seen c saw d had seen 47 If she had read the passage more slowly, the candidate…………………… a understood understand B would have understood c will understood d would 48 If it……………, they will not go out a rains b rained c rain d raining 49 Jame will not complete the work if she is ………… rarely enough a tell b telling c tells d told 50 Betty will not go to the party unless John ……………….too a go b went c going d goes 51 Ms An does not want to go on the trip if nobody………… with her a go b goes c went d going 52 If you ………….to go shopping, please go with your aunt this weekend a wants b want c wanting d wanted 53 Mr Smith has to work on weekends if his manager………….him to a tell b telling c told d tells 54 Unless they ……………her to work hard, she would not a encourage b encourage c encourages d encouraging 55 If I ……….a king, I would give money to the poor a is b are c am d were 56 If we had left this country, we would have………….to Australia a emigrated b emigrates c emigrate d emigrating 57 If I had to the party last night, I …………her a will have met b would meet c would have met d will meet 58 Unless the pupils pay attention, the teacher …………….be angry a would b may c will d might 59 Please not go out if it……………… a rain b rains c rained d raining 60 If you ……………me with this exercise, I will the same for you one day a helped b would help c help d will help 51 If you listen to music, you can’t ……………your study a concentrate on b interested in c care about d read about 61 ……………you study harder, you won’t pass the final exam a unless b if c if not d without 62 If the weather………….fine, we will go on a picnic a is b were c would be d will be 63 If he………………….harder, the results will be better a worked b works c has worked d will work 64 If Americans ate fewer foods with sugar and salt, their general health……… better a be b will be c is d would be 65 If she hadn’t overslept, she ……… late for the interview a wouldn’t be b wouldn’t have been c hadn’t been d would have been 66 I’d have told you if I ………… the book a had seen b would have seen c saw d see 67 If we had known your new address, we………… to see you a came b would have come c would come d will come 68 If I found a wallet in the street, I ………….take it to police a will b should c would d shall c don’t buy d won’t buy 69 I ………….that coat if I were you a wouldn’t buy b didn’t buy 70 If you didn’t this, you ……………punished a are b will be c would be d should be Exercise 2: Identify the one that has a mistake by circling the corresponding letter a, b, c, d 71 If we will reduce the speed of population growth, there will be less pressure on the earth A B C D 72 Unless we leave a bowl of water under the sun, it will evaporate A B C D 73 If we continue to use fuels at the current rate, we would soon have to face a fuel crisis A B C D 74 If I am 10 centimeters taller, I would play basketball A B C D 75 If the doctors could find in the remedy, a lot of people would be saved A B C D 76 If she bought that house now, she ran out of money A B C D 77 What you would if you could speak French well? A B C D 78 If I had known he is not at home, I wouldn’t have gone all the way to his house A B C D 79 If I had known that the road were flooded, I would never have taken that way A B C D 80 If I were you, I will go to the dentist’s and have the tooth checked A B C D 81 If you hadn’t left the car unlocked, it wouldn’t have be stolen A B C D 82 What would happen because I pressed that red button? A B C D 83 If the weather is fine today, we would go to the beach A B C D 84 If you will study harder, you will surely pass the coming exams with good results A B C D 85 If the weather weren’t too bad, we would to go swimming A B C D 86 If he weren’t too old, he would apply to the job as a war reporter A B C D 87 If drivers obeyed the speed limit, fewer accidents occur A B C D 88 If I would have studied Russian at school, I would have understood him easily A B C 89 If tomorrow the weather will be bad, the match will be postponed A B C D 90 If you will see Mike today, please ask him to phone me A B C D D