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宾语从句的连接词
宾语从句的连接词主要包括以下三类:
1.连词that,只起连接作用,在从句中不作句子成分,也无词汇意义,在口语中常被省略。
eg. He knew (that) he should work hard.
2.连词if 、whether,它们起连接作用,在从句中不作句子成分,作“是否”解,在口语中多用if。 eg. Tom don't know if/whether his grandpa liked the present. He asked me whether or not I was coming.
一般情况下,if 和whether可以互换,但以下3种情况只能用whether: ①在不定式前:__________to go there or not hasn't been decided. ②在介词前:It depends on(依靠) ___________ it is going to rain.
③与or not连用:They are talking about _______________ to go there or not.
3.连接代词who, whom, whose, what, which,连接副词when, where, why, how, 它们起连接作用,作句子成分,各有自己的意义。
eg. The teacher asked the new students which class he was in. I wonder where he got so much money.
定语从句的连接词可以参见如下表格:
满意请采纳
英语中最长的单词是哪一个
引导名词性从句的连接词可分为三类:
连词(5个)
:that(无意义,不可省,不充当任何成分)
whether,if(均表示“是否”表明从句内容的不确定性)
as
if
,as
though(均表示“好像”,“似乎”)
以上在从句中均不充当任何成分
连接
代词
(9个)
:what,
whatever,
who,
whoever,
whom,
whomever,
whose,
which,
whichever
连接副词
(7个)
:when,
where,
how,
why,
whenever,
wherever,
however
不可省略的连词
:
1.
介词后的连词
2.
引导主语从句和同位语从句的连词不可省略。
That
she
was
chosen
made
us
very
happy.
We
heard
the
news
that
our
team
had
won.
比较 whether与if
均为"是否"的意思。
但在下列情况下,只可用whether:
1.
whether引导主语从句并在句首
2.
引导表语从句
3.
whether从句作介词宾语
4.
从句后有"or
not"
5.
引导同位语从句
Whether
he
will
come
is
not
clear.
大部分连接词引导的主语从句都可以置于句末,用
it充当形式主语。
It
is
not
important
who
will
go.
It
is
still
unknown
which
team
will
win
the
match.
同位语从句的连接词
在英语中,引导同位语从句的词通常有连词(that, who, whether),连接副词(how, when, where)等。
同位语从句指在复合句中充当同位语的从句,属于名词性从句的范畴。同位语从句用来对其前面的抽象名词进行解释说明,被解释说明的词和同位语在逻辑上是主表关系(即被解释说明的词=同位语)。
定义
同位语从句即重复说明同一个称谓或事件的从句。
e.g.The girls were surprised at the fact that ocean ships can sail up the Great lakes.
巨大的海轮可以开到五大湖,让表姐妹俩感到吃惊。
固定用法
同位语部分是个句子,就是同位语从句,这种用法比较"固定"
一、在复合句中用作同位语的从句叫同位语从句。它一般跟在某些名词后面,用以说明该名词表示的具体内容。
e.g.I heard the news that our team had won.
我听到了我们队获胜的消息。
二、可以跟同位语从句的名词通常有news,idea,fact,promise,question,doubt,thought,hope,message,suggestion,word(消息),possibility,decision等(一般的“抽象”名词都可用)。
e.g.I’ve come from Mr. Wang with a message that he won’t be able to see you this afternoon.
我从王先生那里来,他让我告诉你他今天下午不能来看你了。
三、英语中引导同位语从句的词通常有连词that,whether,连接代词what,who。连接副词how,when,where等。(注:if不能引导同位语从句。)
e.g.He must answer the question whether he agrees with it or not.
四、有时同位语从句可以不紧跟在说明的名词后面,这是因为英语中的尾重原则(即不允许“头重脚轻”的现象存在)
e.g.The news is surprising that David hit Boots,his classmate to the ground.大卫把他同学布茨打倒在地的消息令人惊讶。
主语从句的连接词
主语从句的连接词:引导主语从句连词有that,whether,who,what,whatever等。
1、从属连词that, whether
that引导主语从句只起引导作用,本身无实际意义,在主语从句中不充当任何成分,但不能省略。that引导的主语从句可放在句首,也可放在句尾。由whether (or not)引导的主语从句放在句首、句尾都可以。如:
That he became a doctor may have been due to his father’s influence.
他成为医生可能是由于他父亲的影响。
Whether it will please them is not easy to say.
这是否会让他们高兴还很难说。
2、连接代词who, whoever, whom, whomever, which, whichever, what, whatever, whose连接代词引导主语从句,在从句中作主语、宾语、表语、定语。
如:
What seems easy to some people seems difficult to others.(what作从句主语)
对一些人来说容易的东西对另一些人来说似乎很难。
Which side will win is not clear.(which作side的定语)
哪一方会赢还不清楚。
Whoever told you that was lying.(whoever作从句主语)
不管这话是谁对你说的,都是撒谎。
Whatever we have achieved is attributed to the guidance of our teachers.(whatever作achieved的宾语)
我们所取得的成就都归功于老师的指导。
3、连接副词where, when, why, how连接副词可以引导主语从句,在句中作时间、地点、原因以及方式状语。如:
Why he did it remains a mystery.(why在从句中作原因状语)
他为什么这么做仍然是个谜。
When he will come is not known.(when在从句中作时间状语)
他会什么时候来还不知道。
Where the English evening will be held has not yet been announced.(where在从句中作地点状语)
英语晚会将在哪里举行还没有宣布。
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