Unit 39: I am / I don’t etc.

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GRAMMAR
EXAMPLES
EXERCISES

A. Short forms (I'm / don't / can't etc.)

I'm not tired.
I am.
Do you like tea?
No, I don't.
Yes, I do.

She isn’t tired but he is. (he is = he is tired)
He likes tea but she doesn’t. (she doesn’t = she doesn’t like tea)

In these examples, it is not necessary to repeat words (‘he is tired’, ‘she doesn’t like tea’).

am/is/are
was/were
have/has
do/does/did
can
will
might
must
• I haven't got a car but my sister has. (= my sister has got a car)
• A: Please help me.
B: I'm sorry. I can't. (= I can't help you)
• A: Are you tired?
B: I was, but I'm not now. (= I was tired but I'm not tired now)
• A: Do you think Ann will phone this evening?
B: She might. (= she might phone)
You cannot use 'm/'s/'ve etc. (short forms) in this way. You must use am/is/have etc.
• She isn't tired but he is. (not ... but he's)
• My sister has got a car but I haven't. (not ... but I haven't got)
• ‘Are you and Jim working tomorrow?’ ‘I am but Jim isn't.'

B. You can use I am / I'm not etc. after Yes and No:

• ‘Are you tired?’ ‘Yes, I am. / No, I'm not.’
• ‘Will Alan be here tomorrow?’ ‘Yes, he will. / No, he won't.’
• ‘Is there a bus to the airport?’ ‘Yes, there is. / No, there isn't.’

C. We use do/does for the present simple: (→ Units 6–7)

• I don't like hot weather but Sue does. (= Sue likes hot weather)
• Sue works hard but I don't. (= I don't work hard)
• ‘Do you enjoy your work?’ ‘Yes, I do.'

We use did for the past simple: (→ Unit 12)

• A: Did you and John enjoy the film?
B: I did but John didn't. (= I enjoyed it but John didn't enjoy it)
• ‘I enjoyed the film.’ ‘I did too.’ (= I enjoyed it too)
• ‘Did it rain yesterday?’ ‘No, it didn't.'
have you? / don't you? etc. → UNIT 40 | so am I / neither do I etc. → UNIT 41

Examples

I haven't got a car but my sister has.
I'm sorry. I can't.
I was tired but I'm not now.
She might.
Yes, I am. / No, I'm not.
Yes, he will. / No, he won't.
Sue does.
I did but John didn't.

Exercises 39.1 – 39.6

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39.1 Complete these sentences. Use only one verb (is/have/can etc.) each time.

  1. Kate wasn't hungry but we were.
  2. I'm not married but my brother __________.
  3. Bill can't help you but I __________.
  4. I haven't seen the film but Tom __________.
  5. Diane won't be here but Chris __________.
  6. You weren't late but I __________.
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39.2 Complete these sentences with a negative verb (isn't/haven't/can't etc.).

  1. My sister can play the piano but I can't.
  2. Ann is working today but I __________.
  3. I was working but my friends __________.
  4. Richard has got a car but I __________.
  5. I'm ready to go but Tom __________.
  6. I've got a key but Sally __________.
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39.3 Complete these sentences with do/does/did or don't/doesn't/didn't.

  1. I don't like hot weather but Sue does.
  2. Sue likes hot weather but I __________.
  3. My mother wears glasses but my father __________.
  4. You don't know Paul very well but I __________.
  5. I didn't enjoy the party but my friends __________.
  6. I don't watch TV much but Peter __________.
  7. Kate lives in London but her parents __________.
  8. You had a shower this morning but I __________.
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39.4 Complete the sentences. Write about yourself and other people. (See the example.)

  1. I didn't go out last night but my friends did.
  2. I like __________ but __________.
  3. I don't __________ but __________.
  4. I'm __________ but __________.
  5. I haven't __________ but __________.
  1. but .
  2. but .
  3. but .
  4. but .
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39.5 Put in a verb, positive or negative.

  1. ‘Are you tired?’ ‘I was earlier but I'm not now.’
  2. John is happy today but he __________ yesterday.
  3. The post office isn't open yet but the shops __________.
  4. I haven't got a video camera but I know somebody who __________.
  5. I would like to help you but I'm afraid I __________.
  6. I don't usually go to work by car but I __________ yesterday.
  7. A: Have you ever been to the United States?
    B: No, but Sandra __________ . She went there on holiday last year.
  8. ‘Do you and Ann watch TV a lot?’ ‘I __________ but Ann doesn't.’
  9. I've been invited to the party but Kate __________ .
  10. ‘Do you think Diane will pass her exams?’ ‘Yes, I'm sure she __________ .’
  11. ‘Are you going out this evening?’ ‘I __________ . I don't know for sure.’
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39.6 Answer these questions about yourself. Use Yes, I have. / No, I'm not. etc.

  1. Are you British? No, I'm not.
  2. Have you got a car? __________
  3. Do you feel well? __________
  4. Is it snowing? __________
  5. Are you hungry? __________
  6. Do you like classical music? __________
  7. Will you be in Paris tomorrow? __________
  8. Have you ever been in hospital? __________
  9. Did you buy anything yesterday? __________
  10. Were you asleep at 3 a.m.? __________

Unit 39: I am / I don’t etc. • Full Interactive Textbook