Adverbial Clauses of Time: when/whilewhen while 引导的时间状语从句
While Bobo was watching TV,I was studying English.
表达一段时间,后面跟进行时,且能持续的动作。When I finished my work,I went to study English.
表达一个时间点后,另一事情接着发生。I wanted to be a football star,when I was a child.
参考 http://xzf.2000y.net/mb/2/ReadNews.asp?NewsID=536010其他:
1.comparing thing
2.some useful sentence in face2face class
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