【详细举例讲一讲各种英语从句,】-查字典问答网
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  【详细举例讲一讲各种英语从句,】

  详细举例讲一讲各种英语从句,

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2020-02-10 09:18
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  一.主语从句

  主语从句是在复合句中充当主语的从句,通常放在主句谓语动词之前或由形式主语it代替,而本身放在句子末尾.

  1.It作形式主语和it引导强调句的比较

  It作形式主语代替主语从句,主要是为了平衡句子结构,主语从句的连接词没有变化.而it引导的强调句则是对句子某一部分进行强调,无论强调的是什么成分,都可用连词that.被强调部分指人是也可用who/whom.例如:

  Itisapitythatyoudidn’tgotoseethefilm.

  Itdoesn’tinterestmewhetheryousucceedornot.

  Itisinthemorningthatthemurdertookplace.

  ItisJohnthatbrokethewindow.

  2.用it作形式主语的结构

  (1)Itis+名词+从句

  Itisafactthat…事实是…

  Itisanhonorthat…非常荣幸

  Itiscommonknowledgethat…是常识

  (2)itis+形容词+从句

  Itisnaturalthat…很自然…

  Itisstrangethat…奇怪的是…

  (3)itis+不及物动词+从句

  Itseemsthat…似乎…

  Ithappenedthat…碰巧…

  (4)it+过去分词+从句

  Itisreportedthat…据报道…

  Ithasbeenprovedthat…已证实…

  3.主语从句不可位于句首的五种情况

  (1)if引导的主语从句不可居于复合句句首.

  (2)Itissaid,(reported)…结构中的主语从句不可提前.例如:

  ItissaidthatPresidentJingowillvisitourschoolnextweek.(right)

  ThatPresidentJiangwillvisitourschoolnextweekissaid.(wrong)

  (3)Ithappens…,Itoccurs…结构中的主语从句不可提前.例如:

  Itoccurredtohimthathefailedintheexamination.(right)

  Thathefailedintheexaminationoccurredtohim.(wrong)

  (4)Itdoesn’tmatterhow/whether…结构中的主语从句不可提前.例如:

  Itdoesn’tmatterwhetherheiswrongornot.(right)

  Whetherheiswrongornotdoesn’tmatter.(wrong)

  (5)含主语从句的复合句是疑问句时,主语从句不可提前.例如:

  Isitlikelythatitwillrainintheevening?(right)

  Isthatwillrainintheeveninglikely?(wrong)

  4.What与that在引导主语从句时的区别

  What引导主语从句时在句时在从句中充当句子成分,如主语.宾语.表语,而that则不然.例如:

  1)Whatyousaidyesterdayisright.

  2)Thatsheisstillaliveisaconsolation.

  二.宾语从句

  宾语从句就是在复合句中作宾语的名词性从句,通常放在主句谓语动词(及物动词)或介词之后.

  1.作动词的宾语

  (1)由that引导的宾语从句(that通常可以省略),例如:

  Iheardthatbejoinedthearmy.

  (2)由what,whether(if)引导的宾语从句,例如:

  1)Shedidnotknowwhathadhappened.

  2)Iwonderwhetheryoucanchangethisnoteforme.

  (3)动词+间接宾语+宾语从句.例如:

  Shetoldmethatshewouldacceptmyinvitation.

  2.作介词的宾语

  例如:Oursuccessdependsuponhowwellwecancooperatewithoneanother.

  3.作形容词的宾语

  例如:Iamafraid(that)I’vemadeamistake.

  That引导的从句常跟在下列形容词后作宾语:

  Anxious,aware,certain,confident,convinced,determined,glad,proud,surprised,worried,sorry,thankful,ashamed,disappointed,annoyed,pleased,hurt,satisfied,content等.也可以将此类词后的that从句的看作原因状语从句.

  4.It可以作为形式宾语

  It不仅可以作为形式主语,还可以作为形式宾语而真正的宾语that从句则放在句尾,特别是在带复合宾语的句子中.例如:

  Wehearditthatshewouldgetmarriednextmonth..

  5.后边不能直接跟that从句的动词

  这类动词有Allow,refuse,let,like,cause,force,admire,condemn,celebrate,dislike,love,help,take,forgive等.这类词后可以用不定式或动名词作宾语,但不可以用that引导的宾语从句.例如:

  Iadmiretheirwinningthematch.(right)

  Iadmirethattheywonthematch.(wrong)

  6.不可用that从句作直接宾语的动词

  有些动词不可用于“动词+间接宾语+that从句“结构中,常见的有Envy,order,accuse,refuse,impress,forgive,blame,denounce,advise,congratulate等.例如:

2020-02-10 09:19:50

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