Modals with Perfect Infinitive
(can, must, needn`t, can`t, couldn`t, is/was, may, might, should/shouldn`t, ought to + HAVE DONE/HAVE BEEN DONE
ALWAYS REFERS TO THE PAST
Test yourself
I Fill in the missing Infinitive forms.
|
FORMS |
Active |
Passive |
|
Present Simple |
to write |
To be written |
|
Present Continuous |
To be writing |
|
|
Perfect Simple |
To have written |
To have been writtten |
|
Perfect Continuous |
To have been writing |
|
II Circle the correct answer:
1. a) We needn't have left home so early. The train is leaving in two hours.
b)We couldn't have left home so early. The train is leaving in two hours.
c)We mustn't have left home so early. The train is leaving in two hours.
I Unnecessary action (nije bilo potrebe)
2. a) John must have taken the car. The keys are not here.
b) John should have taken the car. The keys are not here.
c) John couldn't have taken the car. The keys are not here.
A Deduction (affirmative) (mora da je…)
3. a) You mustn't have seen Tom. He is in Paris.
b)You ought not to / shouldn't have seen Tom. He is in Paris.
c)You couldn't/can't have seen Tom. He is in Paris.
B Deduction (negative) (nisi mogao da …)
4. a) The Scots have not arrived yet. They should/ought to have missed the plane.
b) The Scots have not arrived yet. They may/might/could have missed the plane.
c) The Scots have not arrived yet. They would have missed the plane.
C Possibility / Speculation
5. a) You know that you may/might have returned the books to the library a week ago.
b)You know that you ought to/should have returned the books to the library a week ago.
c) You know that you must have returned the books to the library a week ago.
F Unfulfilled obligation, expectation / Criticism (trebalo je/ nije trebalo)
6. a) The meeting was to have started at 9. It's 10.30 now.
b) The meeting needn’t have started at 9. It's 10.30 now.
c) The meeting would have started at 9. It's 10.30 now.
H Unfulfilled plan or arrangement (po planu/program nesto je trebalo da…)
7. a) You were to have at least phoned to say you were coming.
b) You must have at least phoned to say you were coming.
c) You could have at least phoned to say you were coming.
D Unused ability / Criticism
Mogao si…, (ali nisi)
8. a) If I had known you were in London, I would have visited you.
b) If I had known you were in London, I must have visited you.
c) If I had known you were in London, I needn't have visited you.
E Condition (da sam/ si… ja bih …… (ali nisam)