Упражнение 1. Вставьте частицу to, где это необходимо. Parents should let the children … have private life.
I waited for my friend … get off the bus.
They made me … do it.
We can’t … let him stay outdoors.
He ordered the car … come at 5 p.m.
At last he was made … write a letter to his parents.
Children were allowed … go to the cinema alone.
Let us … be friends.
What makes you … think so?
Don’t let him … drive so fast.
Упражнение 2. Напишите все возможные формы инфинитива.
ПРИМЕР to write
Active Infinitive: to be writing — to have written — to have been writting
Passive Infinitive: to be written, to have been written
Слова которые нужно поставить в определенной форме: to do, to read, to ask, to talk, to sing, to learn