2023届高考英语语法专项讲义:名词性从句难点精讲

2023-01-30
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2023届高考英语语法专项讲义:名词性从句难点精讲 简明概述:名词性从句在句中相当于名词词组/成分。由于它在复合句中能作主语、宾语、表语、同位语等,因此名词性从句(总称)又可分别称为主语从句、宾语从句、表语从句和同位语从句等。 引导名词性从句的连接词重点概括如下: 1. 连接词:that, whether, if (只起连接主句和从句的作用,在从句中不作任何成分) 注: that-从句作主语时,常用it作先行词放在句首作为形式主语,而将that-从句放在句末,避免头重脚轻。 1. It is necessary (a.) that … 2. It is known -ed分词 that … 3. It is a pity (n.) that … 4. It seems (vi.) that … 2. 连接代词:what (whatever), who (whoever), whom, whose, which (whichever) 3. 连接副词:when, where, why, how 注:连接代词和连接副词作主语时,也常用it作先行词放在句首作为形式主语。 例句: It is doubtful why his parents are determined so persistently to send the young boy abroad for further study. It has not been decided yet who will take the responsibility to negotiate with the government. 注(1):引导主语从句的连接词不可省略 例句:That the candidate was selected as the Party Chairman made us excited. 注(2):引导同位语从句的连接词不可省略 例句:We worried about the forecast that there would be only a few affordable apartments prepared for blue-collar workers in tier-one cities(一线城市)in the following three years. 注(3):表示“是否”的时候,只用whether不用if的情况 1. 后有“or not” 例句:It is unknown to all whether the new policy can improve the standard of people’s lives or not. 2. 引导表语从句 例句:The keynote is whether children’s safety can be guaranteed. 3. 引导主语从句并在句首 例句:Whether the experiment could be conducted (or not) remained unknown to the students. 4. 作介词宾语 例句:The child is fearful of whether another war will break out at any moment. 六、倒装 简明概述:倒装句由全部倒装和部分倒装组成。全部倒装是把句中的谓语部分全部挪到主语前面,时态通常是一般现在时和一般过去时;部分倒装则是将谓语的一部分,如助动词或情态动词倒装于主语之前。如果谓语没有助动词或情态动词,则需要我们帮助补充助动词,如do,does,did,并将它们放在主语的前面。 全部倒装(时态通常是一般现在时和一般过去时): A.句中如有副词here, there, now, then, away, hence, thus, etc.位于句首,谓语动词为come, go, be, stand, fall, lie, etc. 典型例句: Away ran the child. There lives a tiger. Here is your money. B. 表示方位/运动方向的副词(如in, out, away, off, up, down, etc.)位于句首,谓语表示运动的动词(如come, go, jump, run, swim, stand, rush, etc.)。 例句:Away swam a whale. C. 地点状语位于句首 例句:Under the tree rested an old lady. D. There be … 句型 例句: There is(注意主谓一致)a radio, two television sets

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2023届高考英语语法专项讲义:名词性从句难点精讲
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2023届高考英语语法专项讲义:名词性从句难点精讲
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