Инфинитив
Основная форма глагола: to write / write.
Формы
| Форма | Active | Passive |
|---|---|---|
| Simple | to write | to be written |
| Continuous | to be writing | — |
| Perfect | to have written | to have been written |
| Perfect Continuous | to have been writing | — |
С to
- После многих глаголов: want, decide, hope, plan, promise, learn, offer, refuse, agree… — Emma decided to stay.
- После прилагательных: happy to help, ready to go, difficult to understand.
- Цель: I came here to study. (= in order to)
- После too / enough: too tired to walk; old enough to drive.
Без to (bare infinitive)
- После модальных: can, must, should, will, may… — You must go.
- После make / let: They made me wait. Let me help. (но в Passive: I was made to wait.)
- После глаголов восприятия + объект: see / hear / watch / feel + object + V — I saw Leo leave. (весь процесс) vs I saw Leo leaving (часть процесса).
- После had better / would rather: You'd better hurry. I'd rather stay.
- После help — оба варианта: help (to) do.
Связь с Complex Object / Complex Subject: I want him to come. He is said to know six languages.