What do they express.page 62 exercise A
1. Patrick could have broken his leg when he fell off the motorbike, but fortunately he didn’t.
a).-past unfulfilled possibility
b).-past Ability
c).-past Necessity
a).-past unfulfilled possibility
Part A
6. Kelly needn’t have bought a tent for the camping trip. I have one.
a).-past absence of neccesity
b).-past absence of ability
c).-past absence of permission
a).-past absence of neccesity
Activity B
Positive deduction in the past (we are almost sure that something happened)
5.-________ + have + past participle
a).-must
b).-can`t
c).-could
a).-must
4. A: I heard that Jack has an interview at the new fitness centre. Maybe he’ll be the new aerobics instructor.
B: What are you talking about? He ________ (apply) for the position of a gym instructor. He doesn’t have a degree in Physical Education.
a).- can’t/couldn’t have applied
b).-shouldn’t have applied
c).-may/might have applied
a).- can’t/couldn’t have applied
2. You can’t have seen Sally today. She’s at a spa resort.
a).-Past necessity
b).-past permission
c).-past negative deduction
c).-past negative deduction
Regret or criticism about an action or somebody’s behaviour in the past
1________ or ought (not) to + have + past participle
a).-could
b).-should
c ).-might
b).-should
Activity B
Negative deduction in the past (we are almost sure that something didn’t happen)
6.-______ or couldn’t + have + past participle
a).-should
b).-might
c).-can`t
c).-can`t
5. A: Hi, Jill. How are you feeling? You sounded depressed on the phone, so I brought a little something to cheer you up.
B: I’m a bit better, actually. But you ________ (come) over, and you definitely __________ (buy) all these sweets for me.
a. should have come /ought to have bought
b. shouldn’t/needn’t have come, shouldn’t/needn’t have bought
c. may/might havecome, can´t have bought
b).- shouldn’t/needn’t have come,
shouldn’t/needn’t have bought
3. I should have gone to bed earlier last night so I wouldn’t be so tired right now.
a).-past prohibition
b).-past regret
c).-past request
b).-past regret
Absence of necessity in the past (something wasn’t necessary but it was done)
2.-___________ + have + past participle
a).-needn´t
b).-might
c ).-should
a).-needn´t
Exercise C
1. A: This crash diet didn’t work at all. I feel weak and I haven’t lost a single kilo.
B: You ________ (take) my advice. Unless you follow a balanced diet and exercise, you won’t lose any weight.
a).-should/ought to have taken
b).-may/might have taken
c).-can`t have
a).-should/ought to have taken
A: Hey, Cindy. You look nice and relaxed.
B: Yeah. I feel wonderful! I’ve taken up Pilates and I feel very energetic. I ______ (lose) some weight too, but I haven’t weighed myself so I’m not sure.
a).- couldn’t have lost
b).- needn’t have lost
c).-may/might have lost
c).-may/might have lost
4. You must have heard of him. He was a famous swimmer.
a).-past positive deduction
b).-past obligation
c).-past opinion
a).-past positive deduction
Possibility in the past (perhaps something happened but we are not sure)
may or (3.-)__________ + have + past participle
a).-must
b).-might
c).-could
b).-might
2. A: Did you see the match last night?
B: Yeah, it was brilliant! However, Timmons ________(injure) his back quite badly. He could barely walk by the end.
a).-must have injured
b).-should have injured
c).-can´t have injured
a).-must have injured
5. My sister might have tried this diet before but I’m not 100% certain.
a).-past obligation
b).-past ability
c).-past possibility
c).-past possibility
Unfulfilled possibility in the past (it was possible for something to happen but it didn’t)
4.-________ + have + past participle
a).-needn´t
b).-can´t
c).-could
c).-could
3. A: You________(go) mountain biking by yourself! You _________ (get) injured and nobody would have been there to help you.
B: Yeah, I realise that now.
a).-should/ought to have gone, needn`t have got
b).-must have gone, might have got
c).-shouldn’t/ought not to have gone, could have got
c).-shouldn’t/ought not to have gone, could have got