1、动词不定式的形式变化:动词不定式有下列时态和语态的形式变化。
语态式 |
一般式 |
完成式 |
进行式 |
完成进行式 |
主 动 |
to
build |
to
have built |
to
be building |
to
have been building |
被 动 |
to
be build |
to
have been build |
|
|