精选优质文档-倾情为你奉上1.It is/was + 被强调部分 + that/who . 该句型是强调句型。被强调部分可以是主语，宾语，表语或状语。强调的主语如果是人，that 可以由 who 换用。如果把这种句型结构划掉后，应该是一个完整无缺的句子。这也是判断强调句型与其它从句的方法。 2. It is not until + 被强调部分 + that . 该句型也是强调句型。主要用于强凋时间状语，译成汉语 “直到才”，可以说是 not . until . 的强调形式。 It was not until she took off her dark glasses that I realized she was a famous film star.= Not until she took off her dark glasses did I realize she was a famous film star.= I didnt realize she was a famous film star until she
