El mundo

Solo disponible en BuenasTareas
  • Páginas : 5 (1086 palabras )
  • Descarga(s) : 0
  • Publicado : 2 de septiembre de 2012
Leer documento completo
Vista previa del texto
ENGLISH CLASS – WORKSHOP PAST MODALS
Esp. C. Antonio Montoya H. and Esp. Juan Fdo. Montoya H.
Exercises taken from “English Grammar in Use”. By Raymond Murphy. CUP. Adapted by CAMH and JFMH


I. COULD HAVE ( + participle)

* Use COULD HAVE + participle for past situations:

1. I am so tired. I could sleep for a week. (now)
2. I was so tired. I could have slept for a week. (past)

*Most often, we use COULD HAVE + participle for things which were possible but did NOT happen:

1. Why did you stay at a hotel when you went to New York? You could have stayed with me. (= you had the opportunity to stay with me but you didn’t).

2. Jack fell off a ladder yesterday but he’s all right. He’s lucky – he could have hurt himself badly. (= but he didn’t hurt himself).

3. Thesituation was bad but it could have been worse.

EXERCISES

COMPLETE THE SENTENCES. USE COULD OR COULD HAVE + A SUITABLE VERB.

1. A: What shall we do this evening? B: I don’t mind. We could go to the cinema.
2. A: I had a very boring evening at home yesterday.
B: Why did you stay at home? You ___________________ to the cinema.
3. A: There’s an interesting job advertised in the paper. You____________ for it.
B: What sort of job is it? Show me the advertisement.
4. A: Did you go to the concert last night?
B: No. We ____________________ but we decided not to.
5. A: Where shall we meet tomorrow?
B: Well, I ___________________ to your house if you like.

II. MUST HAVE (+ participle) and CAN´T HAVE (+ participle)

We use MUST and CAN for the present. For the past,we use MUST HAVE + participle and CAN´T HAVE + participle. Study this example:

“George is outside his friends´ house. He has rung the doorbell three times but nobody has answered. They must have gone out. (Otherwise they would have answered.”

1. The phone rang but I didn’t hear it. I must have been asleep.
2. I’ve lost one of my gloves. I must have dropped it somewhere.
3. Jane walked pastme without speaking. She can’t have seen me.
4. Tom walked straight into a wall. He can’t have been looking where he was going.

* COULDN´T HAVE…..is possible instead of CAN´T HAVE…

1. She can’t have seen me = She couldn’t have seen me.
2. Tom can’t have been looking = Tom couldn’t have been looking.

EXERCISES

READ THE SITUATIONS AND USE THE WORDS IN BRACKETS TO WRITE SENTENCES WITHMUST HAVE AND CAN´T HAVE.

-The phone rang but I didn’t hear it. (I-asleep)
-I must have been asleep.

1. The jacket you bought is very good quality. (it-very expensive)
__________________________________________________________________

2. I can’t find my umbrella. (I-leave it in the restaurant last night)
__________________________________________________________________

3. Don passedthe exam without studying for it. (the exam-very difficult)
__________________________________________________________________

4. She knew everything about our plans. (she-listen-to our conversation)
__________________________________________________________________

5. Fiona did the opposite of what I asked her to do. (she-understand-what I said)__________________________________________________________________

6. When I woke up this morning, the light was on. (I-forget-to turn it off)
__________________________________________________________________

7. The lights were red but the car didn’t stop. (the driver-see-the red light)
__________________________________________________________________

8. I was woken up in the middle of the night by the noise next door.(neighbors-party). ____________________________________________________________






III. MAY HAVE + participle and MIGHT HAVE + participle

For the past, we use MAY HAVE + participle and MIGHT HAVE + participle.

1. A: I wonder why Kate didn’t answer the phone.
B: She may have been asleep. (= Perhaps she was sleep)

2. A: I can’t find my bag anywhere.
B: You might have left...
tracking img