内容正文:
Unit 3 Language in use.
1. It was interesting to learn about the Wolong Panda Reserve.
2. But it’s sad to think about all those animals in danger.
3. The surprising thing was to hear how many animals are in danger.
Language practice
4. We need to protect them better.
5. It isn’t right to kill whales or elephants.
6. It’s hard to stop the killing.
动词不定式的句法功能
作用 例句 说明
主语 To speak English is not easy for us.
= It is not easy for us to speak English. 做主于用的不定式,常常用it作形式主语,而把不定式放在后面。
作用 例句 说明
表语 My work is to clean the room everyday.
=To clean the room everyday is my work. 多数情况下,不定式作表语可转换为主语。
作用 例句 说明
宾语 —What sports does he like to play?
—He likes to play basketball. 只能作某些动词的宾语,一般不做介词的宾语。
宾补 She asked me not to speak Chinese in English class. 在make, let, see, hear, watch等使役、感官动词后,不定式省略to。
作用 例句 说明
定语 Have you got anything to say? 不定式作定语,要放在修饰词的后面。
状语 I’m sorry to trouble you.(表原因)
I went to the library to study English.
(表目的) 不定式作状语,其逻辑主语要和主语一致。
1. 不定式的否定形式是在to的前面加not.
My m