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#30天专注橙长计划#-英语语法学习-Day9

#30天专注橙长计划#-英语语法学习-Day9

作者: 格子里的小lei | 来源:发表于2016-09-12 20:48 被阅读0次

    复合关系代词+准关系代词

    -复合关系代词的种类

    复合关系代词=先行词+关系代词

    代替人:whoever,whomever

    代替人或物:whichever

    代替物:what,whatever

    whoever=anybody who

    anybody为代词,可在主句中当作主语或宾语,who做主语引导定语从句修饰anybody

    注:whoever作副词连词时,等于no matter who(与主句中间有逗号相隔)

    whomever=anybody whom

    anybody在主句中只能做宾语,whom作宾语引导定语从句修饰anybody

    whichever=any one which/who (三者以上 同一类的任何一个...)

    whichever=either which/who (二者 同一类中的任何一个...)

    what=the thing(s) which(所...的东西)

    造句注意原则:

    a.前面不可有先行词

    b.what视为the thing(s) which

    c.which在所引导的定语从句中可做主语、宾语或be动词后的表语

    whatever=anything which(...的任何东西)

    注:whatever作副词连词时,等于no matter what(与主句中间有逗号相隔)

    whatever(不同类的任何东西)  VS  whichever(同一类的任何一项)

    what  (所...的东西)VS  whatever(所...的任何东西)

    however

    连接性副词:然而

    副词连词:无论如何 = no matter how

    造句步骤:

    a.how=no matter how

    b.造含有形容词或副词的句子

    c.将句子置于no matter how之后

    d,将形容词或副词移位在how之后,形成状语从句,再接主句

    特殊句型:

    However poor he is,he doesn't want anyone to help him.

    =However poor he may be,he doesn't want anyone to help him.

    =Be he ever so poor,he doesn't want anyone to help him.

    -准关系代词的种类&形成条件

    种类:than,as,but

    形成条件:than,as,but之前若有名词

    than=than+the+前面名词+关系代词

    than视为关系代词,在所引导的从句中作主语、宾语或be动词之后的表语

    as=as+the+前面名词+关系代词

    as若做准关系代词,只用于下列短语中:

    such+n.+as(像...那样的...)

    the same+n.+as(和...相同的...)

    as+adj.+n.+as(和...一样的...)

    注:such+n.之后绝不可用like加以修饰

    the same...as...  VS  the same...that...

    the same...as... 和...相同的...(两个人或物)

    the same...that... 就是同一个...(一个人或物)

    as单独使用,可作关系代词=which,用以代替整个主句

    要点:

    as引导的从句可置于主句的前后,which引导的从句则只能置于主句之后

    as+be+被动语态时,be动词可以省略

    特殊用法:as usual,as follows

    下列短语中,若置名词,只能置单数可数名词

    so...that...(如此...以致...) 注:such...that...可置任何名词

    as...as...(和...一样的...)

    too...to...(太...而不...)

    how...(多么地...) 注:what之后可接任何名词

    以上短语与下列表数量的形容词连用时,可不必与单数可数名词连用

    many(许多的)/ few(少量的)+复数名词

    much (许多的)/ little(少量的)+不可数名词

    but只用于no+n.之后,此时but=who/whom/which/(that)...not

    There is no+名词+who/whom/which/(that)...not

    =There is no+名词+but...

    注:定语从句中有do,does,did等助动词时,要先去掉do,does,did,再依时态、人称将之后的动词还原

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