最新强调句型巧分辨汇编.docx
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1、强调句型巧分辨牛津高二下学期8册Unit4课本同步辅导,针对其中重点句型、重点词汇及重点语法举例详细解释及小练。1. 强调句常与定语从句、名词性从句等混合使用,要注意辨别。例如:It was in Beihai Park where they made a date for the first timethat the old couple told us their love story. (强调句与定语从句混合使用)It was at the very beginning that Mr. Smith made a decisionthat we should send for a doc
2、tor. (强调句与同位语从句混合使用)Was itwhat we saidor something that we did that made you cry so sadly? (强调句与主语从句混合使用)2. 强调句和一些主从复合句结构相似,区分的方法是:如果去掉句中的it is/wasthat/who后,剩余部分在句子结构和意义上仍是完整的,便是强调句,否则就是主从复合句。例如:It was in the eveningthat he got home yesterday. (强调句)It was eveningwhen he got home yesterday. (状语从句)It
3、was reportedthat he got home very late. (主语从句)It was twenty miles from our city to the villagewhere the accident happened. (定语从句)It is a questionthat needs careful consideration.(定语从句)3. 强调句与It + be + 时间 + 从句等易混句型的比较。 It +is/was +时间状语 +that-clause强调句型。例如:It was at ten oclock in the evening that he c
4、ame back. 他是晚上十点钟才回来的。提示:用还原法可验证,去掉it is /wasthat后at ten oclock in the evening he came back在句意和结构上都是完整的。 It + is/has been + 一段时间 +since-clause。例如:It is ten years since I came to this school. 我来到这所学校已经10年了。It was years since I had seen her. 我已经有很多年没有看见过她了。It has been ten years since they left here.自从
5、他们离开这儿已经10年了。提示:此句型表示“自从以来已多久了”,主句多用一般现在时或现在完成时,从句用一般过去时;如果表示过去的情况,主句用一般过去时,从句用过去完成时。 It + be + 时间点 +when-clause。例如:甲公司适用的所得税税率为25,在本题涉及的相关年度甲公司预计未来It was ten oclock in the evening when he came back. 当他回来的时候,已是晚上十点了。提示:此句型中,it 指时间,表示时间的词语前无介词(时间一般为具体时间)。主句中的谓语动词和从句中的谓语动词在时态上一般是一致的,若主句是一般将来时,when后面的从
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