高中英语语法It is that 强调句优秀公开课课件
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Section 3语法课教学设计(1)引导定语从句的引导词that或者who,在定语从句中充当主语,不可以去掉;(2)that或者who引导主语从句时,that 无任何含义也不充当任何成分但也不可以省略,who引导主语从句并且在主语从句中充当主语也不可以省略。
(3)并且,that或者who引导的主语从句经常置于句后,而在主语位置使用形式主语It。
而强调句型中的It is (was)…that (who)…为结构词,假如去掉,剩下部分在语法结构和句子含义上均完整。
a.与定语从句的辨析It was in the lab that was set up by Mr. Smith that they finished the experiment. (哪一部分为定语从句?)It was he who came from Hunan that won the first prize in the contest.(哪一部分为定语从句?)b.与名词性从句的辨析It is true that he once was a teacher. (划线部分为?)It was ____ he said____ disappointed me.A. what; thatB. that; thatC. what; whatD. that; what(What引导?)c. 与there be句型的辨析____is no possibility ____ Bob can win the first prize in the match.A. There; thatB. It; thatC. There; whetherD. It; whetherA.本题为there be句型,而非强调句型。
that 引导的为同位语从句,作possibility的同位语。
三、错误判断强调句的两种情况1. 将非强调句判为强调句。
易混句型1:It be+段时间+ since ... “自从……以来”该句型中的be动词通常为一般现在时态或现在完成时态, since 引导的从句通常是一般过去时态。