高中英语语法专攻-《名词性从句》
考点1-引导词】
考点2-主语从句】
定义:主语从句是指在复合句中充当主语的句子,它是名词的拓展,属于主语的第三个表达层次。所以,主语从句和名词一样通常是出现在谓语动词的前面。
主语从句的引导词:
从属连词:that、whether、if(不可位于句首)
连接代词:what, whatever/who, whoever/whom, whomever
whose,whosever/which,whichever
连接副词:when, whenever/where,wherever/how, however/why
that引导主语从句(that无含义,在句中不作成分,不可省略)
that youth is wholly experimental is known to us all。众所周知,青春就是探索的岁月。
that she finished reading an english novel surprised us all.她读完了一部全英文**让我们惊讶that you will win the medal seems unlikely.你赢得奖牌似乎是不可能的。
that he is still alive is a wonder.他还活着,真是奇迹。
that we shall be late is certain.我们要晚了,这是确定无疑的。
that she is still alive is a consolation.她还活着是使人感到宽慰的。
whether引导主语从句(whether有含义“是否”,在句中不作成分,不可省)
whether she will come to the party makes no difference.她来不来参加聚会都没有关系。
it makes no difference whether/if she will come to the party.
whether he is coming or not doesn’t matter too much.他来或不来都不怎么重要。
it doesn’t matter too much whether he is coming or not.
who,whom, what, which,whose(连接代词)引导主语从句(连接代词有含义,在句中起名词性作用,担当一定成分)
who will be the leader of the team has not been decided yet.谁会成为这个队的领头人还没定下来。
whoever comes will be welcome.谁来都欢迎。
what the kids need is a peaceful growing environment.孩子们需要的是一个和平的生长环境。
what goal you set now determines what your will gain in the future.你现在设立什么目标决定了你将来会有什么收获。
what he wants to tell us is not clear.他要跟我们说什么,还不清楚。
what we need is money.我们需要的是钱。
whatever you like i will give you.你喜欢什么我都给你。
which you choose has nothing to do with me.你选择哪一个跟我没有任何关系。
which bus we should take is the first problem we h**e to solve now.我们应该乘坐哪辆车是我们现在首先要解决的问题。
whichever you want i will buy you.你想要哪个我就买哪个给你。
whichever of them gains the most points wins.他们当中哪个得分最多,哪个赢。
whose face will flush is the liar.谁的脸红了谁就是**。
when, where, how, why(连接副词)引导主语从句(连接副词有含义,在句中充当状语)
why tony did this remained a mystery. 为什么托尼做这件事仍然是个谜。
when we will h**e our winter holidays is still uncertain.我们什么时候放寒假还不确定。
when they will come hasn’t been made public.他们什么时候到还没有公布。
how the accident happened is not clear to anyone.这场事故是怎么发生的,谁都不清楚。
where we shall h**e our party is not your business.我们应该在哪开派对跟你没有关系。
wh-ever连接词引导主语从句。
whoever has a strong will is likely to become successful.凡是有坚强意志的人都有可能成功。
whatever is worth doing at all is wroth doing well.凡是值得做的事情就值得做好。
whatever we do is to serve the people.我们所做的一切都是为人民服务。
whosever book is overdue will be fined.无论谁的书超期了都会被罚款。
it作形式主语:有时为避免句子头重脚轻,常用形式主语it代替主语从句作形式主语放于句首,而把主语从句置于句末。主语从句后的谓语动词一般用单数形式。常用句型如下:
1)it + be + 名词 + that从句。
it’s a pity/shame/great fun that...it is common knowledge that ..是常识。
it is a surprise that令人惊奇的是。it is a fact that 事实是 ..
it is good news that...是个好消息 ;it is an honor that光荣的是。
it's a great pity that they didn't get married.他们没能结婚,真是令人惋惜。
it 's a good thing that you were insured.你保了险,这可是件好事。
it’s a puzzle how life begin.生命的起源是个谜。
it’s still a question whether she’ll come or not.她会不会来还是个问题。
2)it + be + 形容词 + that从句。
it is necessary that...有必要 ;it is important/vital that重要的是。
it’s natural that...很自然的是。it’s strange that..奇怪的是。
it is obvious that...很明显;it is likely/possible/impossible that...可能/不可能。
it's splendid(极好的/令人满意的) that you passed your exam.你通过考试了,真棒。
it's strange that there are no lights on.真奇怪,没有一盏灯是开着的。
it’s not clear to me why he beh**ed like that.我不清楚他为何会那样。
3)it + be + 动词的过去分词 + that从句。
it’s said/reported/believed/thought/predicted/supposed/expected/known that...注:若done为required/suggested/demanded/ordered等时,that从句用虚拟语气】)
it is known to all that/it is universally acknowledged that/it is well known that...众所周知。
it has been decided that已决定it has been proved that已证明。
it must be pointed out that...必须指出。it must be admitted that...必须承认。
it's said that he has been there many times.据说他去过那儿很多次。
it’s not decided who will edit it.还没有决定谁剪辑。
it’s still unknown which team will win the match.哪只队伍会赢得比赛还是未知。
4)it + 不及物动词 + that 从句。
it appears/seems that似乎it happens/happened/occured that碰巧。
it occurred to sb. that...突然想起。it doesn’t matter that...无关紧要。
it makes no difference that...没有区别;it turns/turned out that...结果是。
it follows that...由此可见。
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