All This Has Happened Before All This Will Happen Again

ENGLISH Grammar IN USE FOR INTERMEDIATE

25. When I do/ When I've done When and If

A	Study this example: 'I'll phone you lot when I go abode' is a judgement with two parts: · the main function: I' ll phone you and · the when -office: when I get abode The time in the judgement is future (tomorrow), but we use a present tense (I get ) in the when -part of the judgement. We do not use will in the when -role of the judgement. Some more examples: · We' ll get out when it stops raining. (not when it will finish) · When y'all are in London once again, come and see us. (not When yous will be) · (said to a child) What do yous want to be when you grow up? (non will abound) The same thing happens afterwards while /before /afterwards /as presently equally /until or till: · What are yous going to do while I'm away? (not while I will be) · I'll probably go dorsum home on Sunday. Earlier I go , I'd like to visit the museum. · Look here until (or till ) I come dorsum.
B	You lot tin can likewise apply the present perfect ( have done ) afterwards when /after /until /as soon equally : · Can I infringe that book when you' ve finished with it? · Don't say anything while Ian is here. Wait until he has gone . If you use the present perfect, one thing must be complete earlier the other (so the two things exercise not happen together): · When I've phoned Kate , nosotros can have dinner. (= Offset I'll phone Kate and afterwards that we tin have dinner.) Do non use the present perfect if the two things happen together: · When I phone Kate, I'll ask her most the party. (not When I've phoned) Information technology is often possible to employ either the nowadays simple or the present perfect: · I'll come up as soon equally I finish . or I'll come as soon as I've finished . · You'll feel better after you have something to eat. or You'll feel better later on you've had something to eat.
C	After if , we unremarkably use the present elementary (if I exercise / if I run into etc.) for the future: · Information technology's raining hard. We'll get moisture if we go out. (not if we will go) · I'll be angry if it happens again. (not if it volition happen) · Hurry upward! If we don't hurry , we'll be late.
D	When and if We apply when for things which are sure to happen: · I'm going out later. (for sure) When I leave, I'll get some bread. We use if (not when) for things that volition mayhap happen: I might become out later. (it's possible) If I go out, I'll get some bread. If it is raining this evening, I won't exit. (not When it is raining) Don't worry if I'm late this night. (not when I'm late) If they don't come soon, I'grand not going to wait. (not When they don't come up)

EXERCISES

25.1	Complete the sentences using the verbs in brackets. All the sentences are virtually the future. Employ volition/won't or the present simple ( I see /he plays /it is etc.). 1 When ____you are_____ (you lot /be) in London over again, come up and see us. two I desire to see Sophie before ________________ (she /go) out. 3 Call me when ________________ (yous /know) what time you 're going to get here. 4 I'm going out now. ________________(y'all /be) here when __________ (I /become) dorsum? 5 I think everything will be fine, only if _____________ (at that place /be) whatsoever issues, _____________ (I /call) you, OK? 6 We must do something soon earlier __________(it /exist) likewise late. seven Anna looks very different now. When _________ (y'all /see) her once again, ______________(yous /not /recognise) her. eight Steve has applied for the task, but he isn't really qualified for it. ______ (I /exist) surprised if ___________ (he /get) it. nine I'thou going to exist abroad for a few days. If _______ (you /need) to contact me while ___________ (I /be) away, here'southward my mobile number. 10 I don't desire to go without y'all.. _________(I /wait) for you until __________ (you /be) ready.
25.2	Make ane sentence from two. ane It will stop raining presently. Then we'll go out. ________We'll exit when it stops raining_______________ 2 I'll detect somewhere to live. Then I'll give y'all my address. I ____________when _____________________. 3 I'll do the shopping. Then I'll come up directly back home. _________________ after _________________. 4 It's going to become dark. Let's go home before that. _________________ before _________________. v She must apologise to me first. I won't speak to her until so. ______________ until ______________
25.3	Read the situations and complete the sentences. 1 A friend of yours is going on holiday. You desire to know what she is going to practice. You ask: What are you going to do when you lot are on holiday? 2 A friend is visiting y'all. She has to go shortly, but y'all'd like to show her some pictures. You lot inquire: Do y'all have time to await at some pictures earlier ____________________? three You desire to sell your machine. Mark is interested in buying it, but he hasn't decided yet. You inquire: Can y'all let me know as presently as ________________________________? 4 Your friends are going to Hong Kong soon. You lot want to know where they're going to stay. You ask: Where are you going to stay when ______________________? v The traffic is very bad in your town, but they are going to build a new route. You lot say: I think things will be ameliorate when they _____________.
25.4	Put in when or if . 1 Don't worry ______ if ____ I'm tardily this evening. two Be careful. You'll hurt yourself ___________you autumn. 3 I'g going to Rome next week. ____________ I'one thousand at that place, I hope to visit a friend of mine. four I'm going shopping _________ you want anything, I can get it for y'all. v _________ 1 don't see yous tomorrow, when will I see you again? 6 I'm going away for a few days. I'll call you _____________ I become dorsum. 7 I hope Sarah can come to the party. Information technology will be a shame ___________she can't come. viii We tin eat at home or,____________ you prefer, we can go to a restaurant.

ANSWER KEY

25.1

2 she goes

3 yous know

iv Will you be ... I get

5 at that place are ... I'll phone call /I will call

6 information technology's /information technology is

vii y'all meet ... you won't recognise /you will non recognise

viii I'll exist / I volition be ... he gets

9 you need ... I'yard /I am

10 I'll wait /I will wait ... you lot're /you lot are

25.2

2 I'll give you my address when I find somewhere to live. Or ….when I've found somewhere to alive.

iii I'll come straight back dwelling subsequently I do the shopping. Or ... later I've done the shopping.

4 Permit's go home before it gets dark.

5 I won't speak to her until she apologises. Or ….. until she has apologised.

25.3

2 y'all go I y'all leave

three you determine or you've decided /y'all have decided

iv you're in Hong Kong /you go to Hong Kong

five build the new road or 've congenital the new route I have congenital the new road

25.4

2 if

three When

4 If

5 If

half dozen when

seven if

8 if

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Source: https://englishexercisesources.blogspot.com/2019/12/25-when-i-do-when-ive-done-when-and-if.html

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