请问在英语中可以作主语的有什么？
1、名词
Books are food for mind.
书是精神食粮。
The horse runs much faster than the cow.
马比牛跑得快很多。
2、代词
He used to be my boss
他曾经是我的老板。
You may use my i-Pad.
你可以用我的i-Pad。
3、数字
Four is not a bad number.
4 不是坏数字。
Eight sounds better.
8听起来好听些。
4、动名词
Running is not allowed here.
不准在这里跑步。
Running slowly is good for health.
慢跑有益于健康。
5、动词不定式
To do is more important than to say.
做比说更重要。
To do bad thing is very easy.
做坏事是很容易的。
6、从句
Who becomes your friend is a matter of importance.
谁成为你的朋友是一件重要的事。
How they succeeded can be a useful experience.
他们成功的方式可以作为有用的经验。
作主语的词：名词，代词，名词化了的动词，形容词，分词，副词或数词等，动词不定式或不定式短语， 从句，某些固定词组。
主语，是执行句子的行为或动作的主体，如“我写字”中的“我”，就是主语，它做出“写”这个动作。“写”则是谓语，用来修饰主语，而“字”是接受谓语“写”这个动作的对象，它因此被称为宾语，有的语法书也称它为“客体”或“受体”。 句子成分划分时，主语符号为双横线。
扩展资料：句子做主语的情况：
〔1）that引导的从句，无意义，不担当句子成分，不省略
a. It +v+ that从句
b. It +系动词+表语+that 从句
c. It is strange that he didn't come here yesterday：奇怪的是，昨天他没来这里
当形容词为important necessary strange /that should +动词原形
It is strange that he should （表示吃惊）pass the exam：奇怪的是，他可以通过考试
〔2）It is +n +that 从句
What a pity it is that you didn't come to this party：真遗憾你没来这个聚会
当名词为a pity/a shame /a surprise +should +v原形（表示竟然）
What a pity that she should be fail in exam：真遗憾，她竟然考试不及格
〔3） It is +过去分词+that 从句
It is reported that a car accident happened there：据报道，发生一场车祸
从句s +be v-ed + inf.
He is said to be studying in the USA：据说他在美国学习
有人建议suggest/order/request + 从句 should +动词原形
〔4） It +动词原形seem/appear /turn out/+that
It seems that it will rain：看来要下雨
1. 名词作主语
直到河里的鱼死了，村民们才意识到污染的危害。The villagers didn't realize how serious the pollution was until the fish in the river died.
S+ V t +O. 主系表结构 :S+V
倒装：Not until the fish in the river died did the villagers realize how serious the pollution was.
注意：倒装在主句，从句不倒装 /did 和not 提前，只剩动词原形
强调：It was not until the fish died in the river that the villagers realized how serious the pollution was.
如果强调的是主语或宾语且指人用who，其他一律用that。是that，而非其他/主句的顺序（（倒装不强调，强调就不倒装））
2.代词作主语
人称代词（主格），名词性代词，指示代词，不定代词，such（----样的人、物），it（时间，天气，距离等）
at midnight /in the(泛指）middle of the night
It is 9 o'clock when I went home.
It was ten when I got home.一般句
It was at ten that I got home.强调句
I got home at ten.原形
3.数词作主语
Ten out of 100 Americans are over /above /more than 65.
4.动名词作主语
一般 / 完成时
v-ing: 主动/doing/having done
not doing:被动/being done/having done
注意：doing 无时间限定/与谓语同时出现/在谓语动词后发生having done发生在谓语之前
He still remembers being prized.
当逻辑主语为无生命的东西时
a.作主语时，通常表示一般性的无时间性的东西。而不定式表示某一种具体的动作。
Smoking is hobbit difficult to break.
b.主语和表语一致
Seeing is believing.
c.逻辑主语必须是所有格形式
Smoking kills.
d. it 作形式主语：It is no use/good-----
The old man's taking pity on the snake leads to his death.那个老头怜悯那条蛇，导致他的死亡。
5.不定式作主语
To +动词原形
Not to do 解释：具有动词的性质，作宾语，状语/具有名词的性质，作主语/具有形容词性质，作定语/具有副词的性质，作状语。除谓语不可作之外，其他都可。
一般式：to do
进行时：to be doing
完成时：to have done
完成进行时：to have been doing
to do:表示动作发生在谓语之后，I want to go home.与谓语动词几乎同时发生
to be doing :表示与谓语动词同时发生
to have done:发生在谓语动词之前 Someone was considered to have done something.
to have been doing :动作从过去开始一直持续到谓语动词这个动作的发生
不定式表示一种确定的动作
To do morning exercises this morning is not good for your healthy.
注释：作主语在句首/it作主语构成（常用 v-ing，不常用只有 use，good）
It is +adj. +of sb.(人的属性）/for sb.（物的属性）to do
It is necessary to finish the design before National day. Tomorrow is National day.
it is +n.+for/of sb. to do
It is not good manners for Arabs to stand close talking to their friends.
It is a great honor for us to be invited to the party.
在感叹句中必须用it作形式主语：What a joy/ pleasure (it is) to read the book.
在问句中必须用形式主语：Is it possible to go to the moon by spaceship?
6.名词化的形容词或过去分词
the poor / the disabled /the sick
7.名词化的介词短语
From my home to school is three kilometers.
副词----不定式或动名词
What an excitement to find a shark when you’re swimming in the sea.
8.句子作主语（从句一律为陈述句）
1)that引导的从句，无意义，不担当句子成分，不省略
A. It +v+ that从句
It +系动词+表语+that 从句
It is strange that he didn't come here yesterday.
当形容词为important necessary strange /that should +动词原形
It is strange that he should （表示吃惊）pass the exam.
2. It is +n +that 从句
What a pity it is that you didn't come to this party.
当名词为a pity/a shame /a surprise +should +v原形（表示竟然）
What a pity that she should be fail in exam.
3. It is +过去分词+that 从句
It is report that a car accident happened there.
从句s +be v-ed + inf.
He is said to be studying in the USA.
有人建议suggest/order/request + 从句 should +动词原形
4. It +动词原形seem/appear /turn out/+that
It seems that it will rain.
5. It strikes sb. that 从句 ，某人突然想
It occurs to sb. that-----
B.为强调从句意义，that从句常放在句首
That he will come here is of great help.
That you failed the exam will
--What made his father so angry?
--That he failed the exam. 或He fails the exam.
c.在问句中必须有形式主语
It is true that Bush will visit China again?
2) Whether /if是否不担当句子成分，也不省略
A.句首只用whether
Whether he will come to the meeting is unknown yet.
B.句末形式主语都可用 It ----whether/if
It is of no/little important whether/if it will rain today.
c.在有些句型中，从句不在前 It doesn't matter whether ----
It doesn't matter whether it is new/it will rain tomorrow.
3) 连接代词 who /whom/whose/what/which/担当从句成分，有意义，不省略
A. what +sb. + clause
What we will do next is not decided.
B. what+修饰词 意为什么样的……
What color you like is none of my business.
C. what ……人，……事，……物
What he said at the meeting surprised everyone present.
注意：what前是否有先行词/与that 之间的区别
That he said it at the meeting surprised everyone present.
What 与which 的区别
Which/what you want---若给定范围用which，没有用what。
What ---be that---强调句的一种（强调后者）
What I need most is that someone helps me.
There be +what clause
There was we call People's Republic of China in Chinese history.
What +比较级 what more /what worse
what引导从句作状语修饰全句的内容。在句首或句中，很少在句尾
Which +n (single)
Whose +n(只用此）
Whose father is a doctor is no sense.
It从句作形式主语（what……人或物时，不用it）
4）连接副词 when/whose/how/why担当句子成分，有意义，不省略
How the accident happened puzzled everyone.句尾用形式主语it
5) 引导主语从句
whoever/whosever/whatever/whichever/Anywhere/anything that /everyone that/whoever=anyone whom/anything that (泛指)/anything what (特指)
Whoever 指人从意义判断
Who 引导指事
Since the introduction of reform, China has made earth shaking changes.自从改革以来，中国发生了翻天覆地的变化。
还有the+形容词和从句可以，这个应该网上都有，你自己去查就行啦。。
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