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表语从句引导词有哪些
表语从句引导词如下:
1、That
当用that引导表语从句时,that仅仅起一个连接的作用,无词义,也不用翻译,在表语从句中不充当任何句子成分,除了在部分口语句子中,通常不省略,举例:
The fact was that he had forgotten about it.
事实上,他已经把这件事忘了。
2、Whether
当表语从句要表达“是否”的含义时,连接词要用whether,并且绝对不能用if进行替换,举例:
-The trouble was whether we could manage it ourselves or not.
问题是我们自己能不能做得到。
3、疑问代词
疑问代词指这些:who,whom,whose,whoever,what,whatever,which,whichever 它们不仅起连接作用,又充当句子成分,举例:
The problem is not who will go, but who will stay.
问题不是谁去,而是谁留下来。
4、疑问副词
疑问副词指那些表示地点、时间、原因、方式等的词:where、when、how、why 等,它们在表语从句中既起着连接作用,同时充当从句的句子成分,一般作状语,举例:
This is where you came in.
这就是你进来的地方。
5、特殊引导词
特殊的引导词指这几个:(just) as, as if, as though, because 引导的表语从句,举例:
John looked just as he had looked twenty years before.
约翰看起来还与二十年前一样。
句子缺少成分时经常会用what它是指主句缺少成分还是从句缺少
句子缺少成分时经常会用what,它是指主句和从句都缺少成分,举例解释
Many
workers
were
organized
to
clear
away
what
remained
of
the
World
Trade
Center.
翻译:许多工人被组织去清理世贸中心的残留物。
句子成分:Many
workers
是主语,were
organzized
to
clear
away
是谓语,what
引导的宾语从句,这是名词性从句的考察,而且what在从句中作主语。此处what="the"
thing(s)that,引导名词性从句,且在从句中作主语。因为clear
away缺少宾语,后面从句缺少主语,中间用what连。
类似举例:
He
didn't
get
what
he
wanted.
I
will
tell
you
what
I
know.
This
is
what
I
bought
yesterday.
拓展
what作关系代词时,其含意是“所…的事(物)”。可用来引导主语从句,表语从句,宾语从句或同位语从句。当引导主语从句,其所指的名词必定是单数。主语是单数时,谓语动词一般是单数,但有时因谓语动词之后有复数名词,谓语动词也可用复数;
what引导宾语从句时,常置于谓语之后,用作表语时,放在系动词之后。what还可引导让步状语从句,意思是“不管…”。还可接动词不定式短语。
表语从句用什么引导词
1、从属连词whether,as,as if / though引导的表语从句。
例句:It sounds as if someone is knocking at the door.听起来好像有人在敲门。
2、because,why引导的表语从句。
例句:That's why he got angry with me.那正是他对我生气的原因。(That's why…强调结果)
注意:what引导的主语从句表示结果或名词reason作主语时,后面的表语从句表示原因时要用that引导,不宜用because。
3、连接代词who,whom,whose,what,which,whoever,whatever,whichever、
4、连接副词 where,when,how,why;
例句:The problem is who we can get to replace her.问题是我们能找到谁去替换她呢。
5、从属连词that
例句:The trouble is that I have lost his address.麻烦是我把他的地址丢了。
名词性从句缺成分用什么词
例1:why not try your luck downtown,bob?that is ___the best jobs are。 填where,引导表语从句 并作从句中的表语 where可以作从句中的表语
用what不行 因为what 不能 代替 in the downtown
2:the little girl who got lost decided to remain ____ she was and wait for her mother。
答案是填 where 与上句一样 where引导表语从句 并作从句中的表语
was是系动词 表语就是前面的where,
and是 连词 后面是谓语decided 的 并列宾语 是不定式作宾语 与前面的不定式 to remiain共用一个to
连接副词where 可以 作名词性从句中的表语
如 tell me where you are.告诉我你在哪里
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