电脑ppt在哪里打开:begin(start)→be on各词造句

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/08 19:55:16
举句子并带汉语

The movie started 10 minutes ago.
The movie has been on for ten minutes.
前者非延续性动词,
后者是延续性动词。
但两句话,却表达同一个意思。

I started to study English 3 years ago.
This movie has been on 10 minutes.