M5 Unit1 Grammar
I was shocked to find a piece of paper in paper on my desk…
We call the red words —— 动词不定式(to do sth.).
Sentences from Reading:
I must be really stupid to fail a simple math quiz
I pretended to be cheerful,
We went to wash our hands in the girl’s room, …
本节课重点提要
1. 不定式基本形式和否定形式2. 不定式时态和语态3. 不定式基本使用方法4  保留不定式符号to5. 不带to不定式