:
1. may / might: may , might .
may :
.
You may go. .
May I help you? .
.
You may not come here. .
, .
It may rain today. .
might :
.
She said that he might take her book.
, .
.
He might come. , , .
2. to be allowed + to. .
I am allowed to use this device.
( ) .
I was allowed to repeat the examination.
.
He will be allowed to use this device.
.
:
1. must + to.
must :
, .
I must go. .
.
You mustn't do it. .
- , .
He must have read this book.
, / , .
, .
You must come and see my new flat.
.
2. to have + to . ", ".
It was very dark and we had to stay at home.
, .
I don't have to stay here.
.
.
3. to be + to . ", " ..
I was to meet her at 3 o'clock.
3 .
They are to begin this work at once.
.
.
4. should , .
should Indefinite Infinitive , , , , :
|
|
You should see a doctor. .
5. ought (to) , , Indefinite Infinitive. , .
You ought to be more careful.
( / ) .
6. need Indefinite Infinitive. need , . need not (neednt) .
Need I go there at once? Yes, you must.
( ) ? , .
Must I go there at once? No, you neednt.
( ) ? , .
You neednt come so early.
( ) .