考点 这是强调句型的结构,这种结构不能强调谓语,只能用来强调句子的主语、宾语和状语。强调句中,引导词一般用that,that只起连接作用,没有实际意义,而且不能省略,
指人时,可以用who代替,其他情况下均用that。
例句 It was John's quick action and knowledge of first aid that saved Ms Slade's life.
例句 It is our parents who/that we depend on when we are in trouble.
考点 强调句中被强调部分如果是句子的主语,that/who之后的谓语动词在人称和数上应与被强调的主语保持一致。
例句 It is you who are in charge of it.
例句 It is I who am to blame for the fault.
一般来说,如果把句子中的It is/was ... that/who...去掉后稍加调整语序,能还原成完整的句子,并且句子意思依然完整,则为强调句。否则为从句。
例句 The fact that he has lost the game by one score disappointed us.
他以一分之差输掉了比赛这个事实让我们感到失望。[本句是同位语从句,that从句解释说明fact的内容。]
例句 It is the fact that has made us happy.
正是这个事实使我们高兴。[本句是强调句,去掉It is和that后,句子依然成立且句意完整]