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English Grammar Step by Step


     UNIT 24 - The key


1 a catches; makes b put; melts1 c is; listens d are; is e rains; go

2 a Do not2 drive; are b Do not tell; do not want c are not; help d Do not eat; are e Do not add; do not want

3 a present; will/shall see b put; will it be c let; will/shall no longer rely d break; will suffer e will/shall give; decide

4 a has b tell c want d does not improve e asks

5 a is not snowing; will show b have not finished c come; will/shall be cooking d have been studying/have studied e does not deceive me; will/shall have been married

6 a are b boils and evaporates; is c are; you will get/you get d is still raining e have saved f will/shall lend; pay g will/shall stay; do not make h will/shall go; pay i tell; will go j see; will you do k gets; arrive l play m have not done n pour; will sack o takes p comes; will/shall have q talk; will regret r want s take; will/shall reward t do not mind u (should) happen; tell v will tell w Close; are x do not preserve; will/shall destroy y Do not stick; do not want z hitch-hike; will not/shall not give

7 a had; would be b were not/was not3 raining; would/should drop c were/was; would/should leave d were; would you do e failed; would you jump

8 a had not been drizzling; would/should have taken b had not overbid; would/should have bought c had not underbid; would/should have obtained d had reset; would not have been e had sat; would have been

9 a had not slung; would not be b had not rent; would use c had not concealed; would not be d were/was; would have told/would tell e had not come; would not be running

10 a have already finished; don't we take b feel/are feeling; don't you lie c knew; did you try d were; did you wait; didn't you tell e realised; did you believe

11 a (should) happen; let b should come/comes; tell c (should) receive d should let/lets; ring e (should) come; telephone

12 a had slung; would not have creased b had set; would not have overslept c had not shrieked; would not have discovered d were/was; would not be; would be e had not scored; would probably not have won/probably would not have won f were not/was not; would g had not drunk; would have felt/would not have been feeling; would not have had; would be h had married; would/should have had i rains/should rain; bring j had made; would not have talked k do not keep; will spoil l leave; will/shall reach m would have drowned n would be dead o were/was p raise q were; didn't you stop and sleep r tell; usually finds s Do not make t had; would work u did not spoil; would not do v (should) see; will/shall give w happens/will happen; press; will stop (or would happen; pressed; would stop) x do not slow; will never recover; is; do not slow y had known; would/should have prepared z had not given; would be

13 a like b would like c like d like e would like

14 a Were I b Were I c Should you require d Had you applied e Had you informed

15 a will not start; use b will/would hold; shall/will see; is c will skip; will fail d will/shall buy; will leave e should/would be; would keep

16 a In case of b If c In case of d If e in case

17 a If we do not eradicate famine from the world, many people will continue dying of hunger/Either we eradicate...or many people will continue.../We must eradicate...world, otherwise many people will continue... b If you do not submit your application forwith, it will not be accepted/You submit..., or (else) it will not.../You submit..., otherwise it will not... c If you give me a hand, I'll give you... d If you do not study hard, you won't pass/You'll have to study hard, or (else) you won't pass/Either you study hard or you won't pass e If you don't put some petrol now, we will run out/Put some petrol now, otherwise we'll run out/Either you put some petrol now or we'll run out

18 a were/was; would/should not breathe b were/was not; would/should leave c wait; will get d (should) see e go; will overshoot f will/shall not miss g had arrived; would have destroyed h had not charged; would go i like j would like k had not blackmailed; would/should not have done l will/would sign; shall/will see m will not lend n were/was; would/should take o Were I; should/would follow p Should you require; let q are you r haven't you bought s do not rush; will/shall not finish t were/was not; would respect u do not wish v does not stop; will fill w eat x did not proofread; would be y asks/should ask; tell z did not have/had not; did you tell


1 (suggested answers) a I'd have lost a fortune b why did you sign it? c we will seize his bank accounts d I'd shut up e (that) you don't tell dad f you pay attention to my explanation g we would never have been able to explain the causes of the crime h she were not so unfriendly i do not hesitate to contact us j I can lend you one k I can lend you a racket l I were rich m you could take me home now n you'd have fixed it in the twinkling of an eye o you will not be allowed to go on the school trip p what would you do? q will get very good marks r we had arrived earlier s I saw a ghost t she had studied harder u you stay for such a long time in the sun v what would they do? w I arrive home late x you'd feel much better y the police would have informed us about it z I'd have come and see you last night

2 (suggested answers) a his sentence would have been reduced b I'll be able to see you every single day c wouldn't be crying d I'd take you a photo e don't get in the house f you keep it secret g you take your car h I would have failed the exam i I'll take them j nobody will believe you k please let me know l he would not accept/take the job m you hadn't asked her to n I'll wash up o why did you offer her to work with you p I would flee the country to avoid being caught by the police q I'd have forgiven him r I'd send for/call the police at once s put him to bed/send him to bed t I would not sleep with him/her u it won't crease v he wouldn't have fallen for me w nobody would have laughed at you x you'd have passed y I'd be the wisest person on earth z I won't go out with you


1 a If you don't stop winding the clock, you'll overwind it4 b If he hadn't thrust at her with a machete, she wouldn't have shot him dead c This frying pan wouldn't have gone rusty if you had left it to drain when you last washed it d If I had attended the meeting, they would have tried to involve me in their shady business e If you had turned up at the party, she wouldn't have been/got/become annoyed (with you) f If I hadn't taken off my shoes, I'd have woken up my parents g If you get home late (once) again, you won't get any pocket money h If you had eaten your supper, you could/would watch the telly this evening i If you don't give up smoking, you'll die in less than a year j If she hadn't been ill in bed, she would have come to your date k If you let me drive, I'll give you a kiss l If there's a theft, call the police at once m If he hadn't been near and hadn't been able to defuse the bomb, somebody might/would have been hurt n If I hadn't been left of centre, I'd have got the job o If you tell me that again, I'll break your neck p If I had slept last night, I wouldn't be so tired (now) q If we hadn't missed the bus, we wouldn't have to wait till tomorrow r If you help us out, we'll repay you s If I show you a photograph of her, will this jog your memory? t If you don't put these things away, you won't have anything for dessert u If my father hadn't been in high spirits, I wouldn't have asked him to let me come back home late v If it rains this afternoon, we won't be able to climb/go climbing w If I hadn't been as sober as a judge when the police stopped me, they would have fined me x If we don't hire a taxi, we'll miss the basketball final y If she hadn't lost faith in him, she'd have told him everything about the matter z If he hadn't fallen for her, he wouldn't have believed her

2 a If it hadn't been for you piece of advice, we wouldn't have been able to do it b If you had been looking where you were going, you wouldn't have trodden in a puddle c If you hadn't told her that she should go on a diet, she might not have got cross with you d If it weren't raining, we would go for a walk e If we don't leave now, we won't be punctual f If you had been a good boy, you'd watch telly tonight g If you don't come on time, I won't wait for you h If you hadn't sticked your neck out by telling the boss he was wrong, you wouldn't be fired now i If Brazil hadn't won against England, England would have more chance/quite a good chance/a better chance of qualifying for the final j If we lose the match against Greece, we'll be eliminated from the competition (= There is a possibility that we lose the match against Greece)/If we lost the match against Greece, we'd be eliminated from the competition (I do not think we will lose the match against Greece) k If Italy beats Brazil, things will be easier for us (This is possible)/If Italy beat Brazil, things would be easier for us (This is less possible) l If you finish your dinner, I'll take you to the zoo tomorrow m If you work overtime this week, I'll give you next Monday off n If there is/there should be a robbery, contact us immediately o If you hadn't skipped most of your classes, you wouldn't have failed p If I give you a hundred pounds, will this refresh your memory? q If you eat between meals, you'll get fat r If she hadn't seen a viper on her bed, she would not have scream with terror s If he hadn't rung off, she could/would have explained herself t If you breathe deeply, you'll feel the clean air in the country coming into your lungs u If he weren't/wasn't so straightforward, she wouldn't like him so much v If you don't have a child, you can't understand how rewarding a experience/what a rewarding experience it is w If our children don't study our mother language, it will die out x If you were stuck up, what would you do y If he hadn't had/If he didn't have (or "hadn't") qualities of leadership, he wouldn't have got the job z If I had a higher/better salary, it wouldn't be so difficult to make both ends meet

1  A future tense, instead of a present tense, is possible for universal facts, but it is not so common. I shall only include the commoner alternative in this key, that is, the one in the present tense.
2  Contractions may be used.
3  Was (not) is informal.
4  The conditional clause may be placed after the main one: You'll overwind the clock if they don't stop winding it. The same applies to the other answers in this part.
Author: Miquel Molina i Diez
Pages: 1, 2 and the key

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1  Negative and interrogative sentences (Page 2 and the key)

2  Short answers (Page 2 and the key)

3  Question tags (Page 2 and the key)

4  Questions and exclamations (Page 2 and the key)

5  So, neither, nor, either (the key)

6  Be, used to, would, be/get/become used to, dare, have, get, become, grow, go, turn, fall and feel (Page 2 and the key)

7  Verb tenses: forms (Page 2 and the key)

8  Irregular verbs

9  Verb tenses: uses (Page 2, Page 3, Page 4, Page 5 and the key)

10 Personal pronouns, possessives and reflexive pronouns (Page 2 and the key)

11 The genitive case (the key)

12 Singular and plural nouns (Page 2 and the key)

13 Gender (the key)

14 A, an, some, any, no, not, none, each, every and the; compounds of some, any, no and every (Page 2, Page 3 and the key)

15 Neither, not...either, none, not...any, both and all (the key)

16 A few, few, a lot, lots, a little, little, many, much, no and plenty (the key)

17 Enough, too, so and such (the key)

18 Comparative and superlative sentences (Page 2 and the key)

19 Adjective order (the key)

20 Relative clauses (Page 2 and the key)

21 Do and make (the key)

22 Modal verbs (Page 2, Page 3 and the key)

23 Infinitives, gerunds and present participles (Page 2 and the key)

24 Conditional sentences (Page 2 and the key)

25 Passive sentences (the key)

26 Reported speech (Page 2 and the key)

27 Purpose (the key)

28 Word order (the key)

29 Inversion (the key)

30 Connectors (Page 2 and the key)

31 Prepositions (Page 2, Page 3 and the key)

32 Phrasal verbs (the key)

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