用法

例句

1. 在连接词and，but和or后 省略主语

Question: What did you do last week?

Answer: I went out with my friends and [I] had a nice meal.

2. 如果重复的主语与be动词 一起使用，则省略主语和be动词

Question: Where is your hometown?

Answer: My hometown is in the south of China. [My hometown is] not far from where I study.

3. 省略to后面动词短语

Question: Do you like eating chocolate?

Answer: Yes I do. Many girls give up desserts completely, but I don’t want to [give up desserts completely].

4. 省略助动词和情态动词后面动词短语

Question: Did you have a lot of ice-cream in your childhood?

Answer: Not really. I couldn't have ice-cream unless my mom said I could [have ice-cream].