Unit 11. How long have you (been) ...?

A. Study this example situation:

Bob and Alice are married. They got married exactly 20 years ago, so today is their 20th wedding anniversary.

They have been married for 20 years.

We say: They are married. (present)

but How long have they been married? (present perfect) (not 'How long are they married?')

They have been married for 20 years. (not 'They are married for 20 years')

We use the present perfect to talk about something that began in the past and still continues now. Compare the present and the present perfect:

* Amy is in hospital.

but She has been in hospital since Monday. (not 'Amy is in hospital since Monday')

* We know each other very well.

but We have known each other for a long time. (not 'we know')

* Are you waiting for somebody?

but How long have you been waiting?

B. I have been doing something (present perfect continuous) = 'I started doing something in the past and I am still doing it (or have just stopped)':

* I've been learning English for a long time. (not 'I am learning')

* Sorry I'm late. Have you been waiting long?

* It's been raining since I got up this morning.

The action can be a repeated action:

* 'How long have you been driving?' 'Since I was 17.'

C. I have done (simple) or I have been doing (continuous)

The continuous is more usual with how long, since and for (see also Unit 10B):

* I've been learning English for a long time. (not usually 'I've learnt')

You can normally use either the continuous or simple with live and work:

* John has been living/has lived in London for a long time.

* How long have you been working/have you worked here?

But we use the simple with always:

* John has always lived in London. (not 'has always been living')

You can use the continuous or the simple for actions repeated over a long period:

* I've been collecting/I've collected stamps since I was a child.

Some verbs (for example, know/like/believe) are not normally used in the continuous:

* How long have you known Jane? (not 'have you been knowing')

* I've had a pain in my stomach since I got up this morning.

For a list of these verbs, see Unit 4A. For have see Unit 17.

D. We use the present perfect simple in negative sentences like these:

* I haven't seen Tom since Monday. (= Monday was the last time I saw him)

* Jane hasn't phoned me for two weeks. (= the last time she phoned was two weeks ago)

@p23

EXERCISES

11.1 Are the underlined verbs right or wrong? Correct them if they are wrong.

1. Bob is a friend of mine. _I know him_ very well. RIGHT

2. Bob is a friend of mine. _I know him_ for a long time. WRONG: I've known him.

3. Sue and Alan _are married_ since July. ---

4. The weather is awful. _It's raining_ again. ---

5. The weather is awful. _It's raining_ all day. ---

6. I like your house. How long _are you living_ there? ---

7. Graham _is working_ in a shop for the last few months. ---

8. I'm going to Paris tomorrow. _I'm staying_ there until next Friday. ---

9. 'Do you still smoke?' 'No, I gave it up. _I don't smoke_ for years.' ---

10. That's a very old bicycle. How long _do you have_ it? ---

11.2 Read the situations and write questions from the words in brackets.

1. John tells you that his mother is in hospital. You ask him:

(how long/be/in hospital?)

How long has your mother been in hospital?

2. You meet a woman who tells you that she teaches English. You ask her:

(how long/teach/English?)

3. You know that Jane is a good friend of Carol's. You ask Jane:

(how long/know/Carol?)

4. Your friend's brother went to Australia some time ago and he's still there. You ask your friend:

(how long/be/in Australia?)

5. Tim always wears the same jacket. It's a very old jacket. You ask him:

(how long/have/that jacket?)

6. You are talking to a friend about Alan. Alan now works at the airport. You ask your friend:

(how long/work/at the airport?)

7. A friend of yours is having driving lessons. You ask him:

(how long/have/driving lessons?)

8. You meet somebody on a train. She tells you that she lives in Glasgow. You ask her:

(always/live/in Glasgow?)

11.3 Complete Bs answers to A's questions.

1. A: Amy is in hospital, isn't she?

B: Yes, she has been in hospital since Monday.

2. A: Do you see Ann very often?

B: No, I haven't seen her for three months.

3. A: Is Margaret married?

B. Yes, she --- married for ten years.

4. A: Are you waiting for me?

B: Yes, I --- for the last half hour.

5. A: You know Linda, don't you?

B: Yes, we --- each other for ages.

6. A: Do you still play tennis?

B: No, I --- tennis for years.

7. A: Is Jim watching TV?

B: Yes, he --- TV all evening.

8. A: Do you watch TV a lot?

B: No, I --- TV for a long time.

9. Have you got a headache?

B: Yes, I --- a headache all morning.

10. A: George is never ill, is he?

B: No, he --- ill since I've known him.

11. A: Are you feeling ill?

B: Yes, I --- ill since I got up.

12. Sue lives in London, doesn't she?

B: Yes, she --- in London for the last few years.

13. Do you still go to the cinema a lot?

B: No, I --- to the cinema for ages.

14. Would you like to go to New York one day?

B: Yes, I --- to go to New York. (use always/want)

@p24

UNIT12. When ...? and How long ...? For and since

A. Compare When ...? (+ past simple) and How long ...? (+ present perfect):

A: When did it start raining?

B: It started raining an hour ago/at 1 o'clock.

A: How long has it been raining?

B: It's been raining for an hour/since 1 o'clock.

A: When did Joe and Carol first meet?

B: They first met a long time ago/when they were at school.

A: How long have Joe and Carol known each other?

B: They've known each other for a long time./since they were at school.

B. We use both for and since to say how long something has been happening.

We use for when we say a period of time (two hours, six weeks etc.):

* I've been waiting for two hours.

for two hours

two hours ago -> now

two hours/a week/20 minutes/50 years/five days/a long time/six months/ages

* Sally's been working here for six months. (not 'since six months')

* I haven't seen Tom for three days. (not 'since three days')

We use since when we say the start of a period (8 o'clock, Monday, 1985 etc.):

* I've been waiting since 8 o'clock.

since 8 o'clock

8 o'clock -> now

since

8 o'clock/1977/Monday/Christmas/12 May/lunchtime/April/they were at school

* Sally's been working here since April. (= from April until now)

* I haven't seen Tom since Monday. (= from Monday until now)

It is possible to leave out for (but not usually in negative sentences):

* They've been married (for) ten years. (with or without for)

* They haven't had a holiday for ten years. (you must use for)

We do not use for + all ... (all day/all my life etc.):

* I've lived here all my life. (not 'for all my life')

C. We say 'It's (a long time/two years etc.) since something happened':

* It's two years since I last saw Joe. (= I haven't seen Joe for two years/the last time I saw Joe was two years ago)

* It's ages since we went to the cinema. (= We haven't been to the cinema for ages)

The question is How long is it since ...?

* How long is it since you last saw Joe? (= When did you last see Joe?)

* How long is it since Mrs Hill died? (= When did Mrs Hill die?)

@p25

EXERCISES

12.1 Write questions with how long and when.

1. It's raining.

(how long?) How long has it been raining?

(when?) When did it start raining?

2. Kate is learning Italian.

(how long/learn?)

(when/start/learn?)

3. I know Martin.

(how long/know?)

(when/first/meet?)

4. Bob and Alice are married.

(how long?)

(when?)

12.2 Read the situations and complete the sentences beginning in the way shown.

1. (It's raining now. It's been raining since lunchtime.) It started raining at lunchtime.

2. (Ann and I are friends. We first met years ago.) We've known each other for years.

3. (Mark is ill. He became ill on Sunday.) He has ---

4. (Mark is ill. He became ill a few days ago.) He has ---

5. (Sarah is married. She's been married for two years.) She got ---

6. (You've got a camera. You bought it ten years ago.) I've ---

7. (Sue has been in France for the last three weeks.) She went ---

8. (You're working in a hotel. You started in June.) I've ---

12.3 Put in for or since.

1. It's been raining since lunchtime.

2. Tom's father has been doing the same job --- 20 years.

3. Have you been learning English ---a long time?

4. Sarah has lived in London --- 1985.

5. --- Christmas, the weather has been quite good.

6. Please hurry up! We've been waiting --- an hour.

7. Kevin has been looking for a job --- he left school.

8. The house is very dirty. We haven't cleaned it --- ages.

9. I haven't had a good meal --- last Tuesday.

12.4 Write Bs sentences using the words in brackets.

1. A: Do you often go on holiday?

B: (no/five years) No, I haven't had a holiday for five years.

2. A: Do you often eat in restaurants?

B: (no/ages) No, I ---

3. A: Do you often see Sarah?

B: (no/about a month) ---

4. A: Do you often go to the cinema?

B: (no/a long time) ---

Now write B's answers again. This time use It's ... since...

5. (1) No, it's five years since I had a holiday.

6. (2) No, it's ---

7. (3) No, ---

8. (4) ---

@p26