一. 名词性从句：（名词）主，宾，表，同。这4个位置都可以是名词。
What/who/how/when/where/why/which/whom/+ever
that / if / whether
我知道明天他几点来。I know when he will come here tomorrow. (宾从）
他明天几点来都行。whenever he will come here tomorrow is ok.(主从）
现在的问题是他明天几点来。the problem now is when he will come here tomorrow. (表语从句）
他问我一个问题，即他明天几点来。 He asks me a question when he will come here tomorrow. (同位语从句）
主语从句；宾语从句；表语从句；同位语从句；（陈述语序，名词，简单句+简单句）
1. 我有你想知道的。
I have what you want. 宾语从句
2. 你想知道的不存在。
What you want doesn’t exist. 主语从句
3. 这是你想要的。
This is what you want. 表语从句
4.我知道这个消息，他明天要回来了
I know the fact thathe will come back. 同位语从句
简单句拆分说明：
1.我知道他明天要来.
我知道它。I knew it.
他明天要来。he will come tomorrow.
I knew he will come tomorrow.
2.谁会参加课程还不太清楚。
It is not known yet.
Who will come to the course.
Who will come to the course is not known yet.
3.我不知道要怎么去做这件事。
I don’t know it.
How can I do this?
I don’t know howI can do this.
4.这个计划是否可行还不太清楚。
It is not clear.
Whether the plan will work out.
Whether the plan will work out is not clear. （主语）
他明天来不来还没有定。
whether he will come tomorrow hasn"t been decided.
我不确定她是否知道这个消息。
I not sure if / whether she knows the news. (是否,优选whether)
If / whether ： If 只能引导宾语从句,whether 可以做任何从句.
举例说明：
1. 主语从句：（用一个句子做主语）
01.什么时候召开这个会议还没有决定
When this meeting will be heldis not decided yet.
02.他要给你说的话都是一派胡言。
What he will tell youis nonsense.
03.谁赢得了比赛都可以娶我的女儿。
Whoever can win the match will marry my daughter.
2. 宾语从句：
01.我要给赢应得比赛的人一个奖励。
I will give a prize to whoever can win the match.
02.司令员命令部队从那片区域撤离。虚拟语气...should do
The commander ordered that the army (should)get away from that area.
03.他总是考虑如何为了大家把事情做的更好。
He always thinks ofhow he can do it better for everyone.
04.我想我明天要不要去购物。
I"am considering whether I need to go shopping tomorrow.
3. 表语从句：系动词（be 动词，感官动词，变化动词）
感官动词：look ,seem,feel ,sound.....
变化动词:become,remain....
01.看上去要下雨了
It looks as if it’s going to rain.
02.这就是你一直想要的 （现在完成时）
This is what you have been waiting for/ expecting.
03.这就是昨天他为什么上班迟到的原因。
That’s why he was late for work yesterday.
04.中国已经今非昔比了
China is not what it used to be.
4. 同位语从句：(A,B=B,A)（同位语中的that不能省略）
01.I know the fact that he loves you
02.我不知道他什么时候回来。
I’ve no idea when he will come back.
03.他忽然想到他应该给他妈买个礼物。
A thought suddenly come to him that he should buy his mother a gift
04.我们赢得比赛这个消息十分激动人心。
The newsthat we won the game is exciting.
05.他昨晚告诉我的消息很好。（定语从句）
The news thathe told melast night is nice.（that 当一个成分）
The news thatwe won the gameis nice.（同位语，在句中不充当成分，不缺成分）
1.我已经知道了谁会赢得比赛。
I have knownwho will win the match.（宾语从句）
2. 谁会赢得比赛跟我没有关系。Ithas nothing to do with me
Who will win the gamehas nothing to do with me. （主语从句）
3. 这就是Henry怎样解决问题的
That’s how Henry solves the problem。 （表语从句）
4. 这栋房子正是他目前最需要的东西。
定语从句：the house is something (that) he needs most right now.
表语从句：the house is what he needs most right now.
5. 我们必须认清无论谁违反了规矩都要受到惩罚。
宾语从句+主语从句：
We have to make it clear that whoever breaks the rule will be punished.
6. 他一直想做的这件事是我早就做完的。
A（定从）is B（表从）
The thing (that)he wants to do iswhat I did long time ago.
今天的名词性从句就分享到这里了，下期分享状语从句，个人学习笔记整理，希望对大家有帮助，有问题的欢迎沟通交流，感谢观看浏览！
