When I do / When I’ve done – When and if

Exercise 1 

Complete the sentences using the verbs in brackets. All the sentences are about the future. Use will /won't or the present simple (I see / he plays / it is etc.).

1) When ________ (you / be) in London again, come and see us.

2) I want to see Sophie before ________ (she / go) out.

3) Call me when ________ (you / know) what time you 're going to get here.

4) I'm going out now. ________ (you / be) here when ________ (I / get) back?

5) I think everything will be fine, but if ________ (there / be) any problems, (I / call) you, OK?

6) We must do something soon before ________ (it / be) too late.

7) Anna looks very different now. When ________ (you / see) her again, ________ (you / not / recognise) her.

8) Steve has applied for the job, but he isn't really qualified for it. ________ (I / be) surprised if ________ (he / get) it.

9) I'm going to be away for a few days. If ________ (you / need) to contact me while ________ (I / be) away, here's mobile number.

10) I don't want to go without you. ________ (I / wait) for you until (you / be) ready.

Show answers

1)

1  you are

2  she goes

3  you know

4  Will you be … I get

5  there are … I'll call / I will call

6  it's / it is

7  you see … you won't recognise / you will not recognise

8  I'll be / I will be … he gets

9  you need … I'm / I am

10  I'll wait / I will wait … you're / you are

Exercise 2 

Make one sentence from two.

1) It will stop raining soon. Then we'll go out.

     ________ when ________

2) I'll find somewhere to live. Then I'll give you address.

     I ________ when ________

3) I'll do the shopping. Then I'll come straight back home.

     ________ after ________

4) It's going to get dark. Let's go home before that.

     ________ before ________

5) She must apologise to me first. I won't speak to her until then.

     ________ until ________

Show answers

2)

1  We’ll go out when it stops raining.

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

3  I'll come straight back home after I do the shopping. or … after I've done the shopping.

4  Let's go home before it gets dark.

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

Exercise 3 

Read the situations and complete the sentences.

1) A friend of yours is going on holiday. You want to know what she is going to do.

     You ask: What are you going to do when ________?

2) A friend is visiting you. She has to go soon, but you'd like to show her some pictures.

     You ask: Do you have time to look at some pictures before ________?

3) You want to sell your car. Mark is interested in buying it, but he hasn't decided yet.

     You ask: Can you let me know as soon as ________?

4) Your friends are going to Hong Kong soon. You want to know where they're going to stay.

     You ask: Where are you going to stay when ________?

5) The traffic is very bad in your town, but they are going to build a new road.

     You say: I think things will be better when they ________

Show answers

3)

1  you are on holiday

2  you go / you leave

3  you decide or you've decided / you have decided

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

5  build the new road or 've built the new road / have built the new road

Exercise 4 

Put in when or if .

1) Don't worry ________ I'm late tonight.

2) Be careful. You'll hurt yourself ________ you fall.

3) I'm going to Rome next week. ________ I'm there, I hope to visit a friend of mine.

4) I'm going shopping. ________ you want anything, I can get it for you.

5) _____ I see you tomorrow, when will I see you again?

6) I'm going away for a few days. I'll call you ________ I get back.

7) I hope Sarah can come to the party. It will be a shame ________ she can't come.

8) We can eat at home or, ________ you prefer, we can go to a restaurant.

Show answers

4)

1  if

2  if

3  When

4  If

5  If

6  when

7  if

8  if

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