❶ 英语语法 哪些词是第三人称单数
1.人称代词 he, she, it 属于第三人称单数。
eg.How old is he?
2.不定代词everyone, something, nobody, everything, everybady,nothing属于第三人专称单数。
eg.He is nothing but a child.
3.指示代词this，that作主语时属于第三人称单数。
eg.That is a apple.
4.人名，属称呼作主语属于第三人称单数。
eg.Andy is a good boy.
5.地名，机构名作主语属于第三人称单数。
eg.Nanchang is a beautiful city.
6.单数名词(A/the/this/that+单数名词)作主语时属于第三人称单数。
eg.The girl is listening.
7.不可数名词作主语时，属于第三人称单数。
eg.The air is polluted.
8.当数字或字母作主语时，属于第三人称单数。
eg."K" is a letter.
9.数字的加、减、乘、除常被当作第三人称单数
eg.What is there and two? 收起
❷ 英语语法的时态和三单是什么东西，求讲解要
语法书上定义时态为 作谓语的动词用来表示动作（情况）发生时间的各种形式称版为时态。另权一本书定义为 时态(Tense)是英语谓语动词的一种形式，表示动作发生时间(Time)和体态（Aspect)。所谓体态是指动作发生的方式或事物所处的状态。
三单 指主语时，指的是第三人称单数，如he，she，it。指谓语动词时，指的是句子采用一般现在时，句子主语为第三人称单数时，谓语动词要用第三人称单数形式（一般是动词原形+s或+es）
❸ 求英语三单语法知识点，do ,does , did d的区别。go ,goes d的区别
do 助动词 ，助动词后加动词原形，化；does是do的复数形式，用于第三人称单数形式
❹ 关于英语英语语法中单三指什么在单三后的
第三人称单数是来英语里常用自的,我是第一人称,你为第二人称,其它的人就是第三人称了,单数指一个个体!爸爸妈妈爷爷奶奶这些都属于的~!
单3后的单词不一定都加S.一般现在时中第三人称单数动词要+S。
第三人称单数有他he，她she，它it。
一般现在时第三人称一定要+S。但在否定句和疑问句中，s转嫁到助动词do上，（变成does），动词用原形。
还有你的aran’t是不是打错了,应该是aren't,是由are not 变型的.
❺ 初三英语语法知识点（只问一个很简单的）要快
1. be used to do是被动语态，表示“抄被用作…” 例如：The knife is used to cut things.小刀是被用作切东西的。
2. used to do是主动语态，意思是“过去常常做某事”，表示现在不这样做了。
例如：He used to get up early.他过去常常早起。
❻ 英语语法三单问题
这里涉及到两个复知识点;
第一： not only ... but also
若连接制两个成分作主语，其谓语通常与靠近的主语保持一致
not only 用在句首时，句子需要倒装
第二：should must这类词后面跟动词的话必须用动词原形
在这里not only 。。。but also连接的主语为同一个“a leader”谓语动词需要用第三人称单数形式，两处都应该用has
❼ 关于初中三单语法的一些问题。
第三人称单数是英语中的一种语法，也称“三单”或“单三”，用于一般现在时版的句子，当动词在权第三人称单数后时【she、he
、it、不可数名词和人名（一个人的）】，要根据其情况变化。
情况
方法
示例
一般情况
+s
play—plays
以s、x、ch、sh和o结尾
+es
go—goes
以辅音字母加y结尾
变y为i
+es
study—studies
以f或者fe结尾
变f或fe为v+es
life—lives
特殊情况
不规则
have—has
以O结尾
1.+S（无生命）
2.+es（有生命）
photo---photos
potato---potatoes
❽ 初三英语1到3单元语法复习提纲。
九年级英语各单元知识点小结
Unit1
1. by + doing 通过……方式 如：by studying with a group
by 还可以表示：“在…旁”、“靠近”、“在…期间”、“用” 、“经过”、“乘车”等
如：I live by the river.
I have to go back by ten o’clock.
The thief entered the room by the window.
The student went to park by bus.
2. talk about 谈论，议论，讨论
如：The students often talk about movie after class. 学生们常常在课后讨论电影。
talk to sb. = talk with sb. 与某人说话
3. 提建议的句子：
①What/ how about +doing sth.? 如：What/ How about going shopping?
②Why don’t you + do sth.? 如：Why don’t you go shopping?
③Why not + do sth. ? 如：Why not go shopping?
④Let’s + do sth. 如： Let’s go shopping
⑤Shall we/ I + do sth.? 如：Shall we/ I go shopping?
4. a lot 许多 常用于句末 如：I eat a lot. 我吃了许多。
5. too…to 太…而不能 常用的句型 too + adj./adv. + to do sth.
如：I’m too tired to say anything. 我太累了，什么都不想说。
6. aloud, loud与loudly的用法
三个词都与"大声"或"响亮"有关。
①aloud是副词,重点在出声能让人听见,但声音不一定很大,常用在读书或说话上。通常放在动词之后。aloud没有比较级形式。
如: He read the story aloud to his son. 他朗读那篇故事给他儿子听。
②loud可作形容词或副词。用作副词时,常与speak, talk, laugh等动词连用,多用于比较级,须放在动词之后。如: She told us to speak a little louder. 她让我们说大声一点。
③loudly是副词,与loud同义,有时两者可替换使用,但往往含有令人讨厌或打扰别人的意思,可位于动词之前或之后。
如: He does not talk loudly or laugh loudly in public. 他不当众大声谈笑。
7. not …at all 一点也不 根本不
如：I like milk very much. I don’t like coffee at all. 我非常喜欢牛奶。我一点也不喜欢咖啡。
not经常可以和助动词结合在一起，at all 则放在句尾。
8. be / get excited about sth.
= be / get excited about doing sth.
= be excited to do sth. 对…感到兴奋
如：I am / get excited about going to Beijing.
=I am excited to go to Beijing. 我对去北京感到兴奋。
9. ① end up doing sth 终止做某事，结束做某事 如：
The party ended up singing. 晚会以唱歌而结束。
② end up with sth. 以…结束 如：
The party ended up with her singing. 晚会以她的歌唱而告终。
10. first of all 首先
. to begin with 一开始
later on 后来、随后
11. also 也、而且（用于肯定句）常在句子的中间（实义动词之前，be动词之后）
either 也（用于否定句）常在句末
too 也 (用于肯定句) 常在句末
12. make mistakes 犯错 如：I often make mistakes. 我经常犯错。
make a mistake 犯一个错误 如I have made a mistake. 我已经犯了一个错误。
13. laugh at sb. 笑话；取笑（某人） 如：Don’t laugh at me! 不要取笑我!
14. take notes 做笔记，做记录
15. enjoy doing sth . 喜欢做…乐意做…
如：She enjoys playing football. 她喜欢踢足球。
enjoy oneself 过得愉快 如：He enjoyed himself. 他过得很愉快。
16. native speaker 说本族语的人
17. make up 组成、构成
18. one of +(the+ 形容词最高级)+名词复数形式 …其中之一
如： She is one of the most popular teachers. 她是最受欢迎的教师之一。
19. It’s +形容词+(for sb. ) to do sth. (对于某人来说)做某事…
如：It’s difficult (for me ) to study English. 对于我来说学习英语太难了。
句中的it 是形式主语，真正的主语是to study English
20. practice doing 练习做某事 如：
She often practice speaking English. 她经常练习说英语。
21. decide to do sth. 决定做某事 如：
Li Lei has decided to go to Beijing . 李雷已经决定去北京。
22. unless 假如不，除非 引导条件状语从句
如：You will fail unless you work hard..假如你不努力你会失败。
I won’t write unless he writes first. 除非他先写要不我不写
23. deal with 处理 如：I dealt with a lot of problem.
24. worry about sb./ sth. 担心某人/ 某事
如：Mother worried about his son just now. 妈妈刚才很担心他的儿子。
25. be angry with sb. 对某人生气 如：I was angry with her. 我对她生气。
26. perhaps = maybe 也许
27. go by (时间) 过去 如： Two years went by. 两年过去了。
28. see sb. / sth. doing 看见某人正在做某事 强调动作正在发生
see sb. / sth. do 看见某人在做某事
如： She saw him drawing a picture in the classroom. 她看见他正在教室里画画。
29. each other 彼此
30. regard…as … 把……看作为……
如：The boys regarded Anna as a fool. 这些男孩把安娜看成傻瓜了。
31. too many 许多 修饰可数名词复数 如：too many girls
too much 许多 修饰不可数名词 如：too much milk
much too 太 修饰形容词 如：much too beautiful
32. change…into… 将……变为……
如：The magician changed the pen into a book. 这个魔术师将钢笔变为一本书。
33. with the help of sb. = with one’s help 在某人的帮助下
如：with the help of Li Lei = with Li Lei’s help 在李雷的帮助下
34. compare …to … 把……与……相比
如：Compare you to Anna, you are lucky. 你和安娜相比，你是幸运的。
35. instead 代替 用在句末，副词（字面上常不译出来）
instead of sth. / doing sth. 代替，而不是 用在句中，做动词
如：Last summer I went to Beijing. This year I’m going to Shanghai instead.去年夏天我去了北京, 今年我将要去上海。
I will go instead of you. 我将代替你去。
He stayed at home instead of going swimming. 他呆在家里而不是去游泳。
Unit2
1. used to do sth. 过去常常做某事
否定形式： didn’t use to do sth. / used not to do sth.
如：He used to play football after school. 放学后他过去常常踢足球。
Did he use to play football? Yes, I did. No, I didn’t.
He didn’t use to smoke. 他过去不吸烟。
2. 反意疑问句
①肯定陈述句＋否定提问 如：Lily is a student, isn’t she?
Lily will go to China, won’t she?
②否定陈述句＋肯定提问 如：She doesn’t come from China, does she?
You haven’t finished homework, have you?
③提问部分用代词而不用名词如：Lily is a student, isn’t she?
④陈述句中含有否定意义的词，如little, few, never, nothing, hardly等。其反意疑问句用肯定式。 如：He knows little English, does he? 他一点也不懂英语，不是吗？ They hardly understood it, did they? 他们几乎不明白，不是吗？
3. play the piano 弹钢琴
4. ①be interested in sth. 对…感兴趣
②be interested in doing sth. 对做…感兴趣
如：He is interested in math, but he isn’t interested in speaking English. 他对数学感兴趣，但是他对说英语不感兴趣。
5. interested adj. 感兴趣的，指人对某事物感兴趣，往往主语是人
interesting adj.有趣的，指某事物/某人具有趣味，主语往往是物
6. still 仍然，还：
①用在be 动词的后面 如：I’m still a student.
②用在行为动词的前面 如：I still love him.
7. the dark 天黑，晚上，黑暗
8. 害怕… be terrified of sth. 如：I am terrified of the dog.
be terrified of doing sth. 如：I am terrified of speaking.
9. on 副词，表示（电灯、电视、机械等）在运转中/打开，其反义词off.
with the light on 灯开着
10. walk to somewhere 步行到某处 walk to school 步行到学校
11. spend 动词，表示“花费金钱、时间”
①spend…on sth. 在某事上花费（金钱、时间）
②spend…doing sth. 花费（金钱、时间）去做某事 如：
He spends too much time on clothes. 他在衣着上花费了太多的时间。
He spend 3 months building the bridge.他花费了三个月去建这座桥。
pay for 花费 如：I pay 10 yuan for the book. 我花了10元买这本书。
12. take 动词 有“花费”的意思 常用的结构有：
It take sb. some time to do sth. 如：It takes me a day to read the book.
take … to do sth.
13. chat with sb. 与某人闲聊 如：I like to chat with him. 我喜欢和他聊天。
14. worry about sb./ sth. 担心某人/某事 worry 是动词
be worried about sb./sth. 担心某人/某事 worried 是形容词
如：Don’t worry about him. 不用担心他。
Mother is worried about her son. 妈妈担心他的儿子。
15. all the time 一直、始终
16. take sb. to + 地方 送/带某人去某个地方 如：
A person took him to the hospital. 一个人把他送到了医院。
Lui took me home. 刘把我送回了家。(home 的前面不能用to)
hardly adv. 几乎不、没有
17. hardly ever 很少
hardly 修饰动词时，通常放在助动词、情态动词之后，实义动词之前:
助动词/情态动词＋hardly
hardly + 实义动词
如：I can hardly understand them. 我几乎不能够明白他们。
I hardly have time to do it. 我几乎没有时间去做了。
18. miss v. 思念、想念、 错过
19. in the last few years. 在过去的几年内 常与完成时连用
如：I have lived in China in the last few years. 在过去的几年内我在中国住。
20. be different from 与…不同
21. how to swim 怎样游泳
不定式与疑问词连用：动词不定式可以和what, which, how, where, when 等引导的疑问句连用，构成不定式短语。如：
The question is when to start. 问题是什么时候开始。
I don’t know where to go. 我不知道去哪。
22. make sb./ sth. + 形容词 make you happy
make sb./ sth. + 动词原形 make him laugh
23. move to +地方 搬到某地 如：I moved to Beijing last year.
24. it seems that +从句 看起来好像…… 如：
It seems that he has changed a lot. 看起来他好像变了许多。
25. help sb. with sth. 帮某人某事She helped me with English. 她帮助我学英语。
help sb. (to ) do sth. 帮某人做某事 如：She helped me (to) study English。 她帮助我学习英语。
26. fifteen-year-old 作形容词 15岁的
fifteen-year-olds 作名词 指15岁的人
fifteen years old 指年龄 15岁 如：
a fifteen-year-old boy 一个15岁的男孩
Fifteen-year-olds like to sing. 15岁的人喜欢唱歌。
I am fifteen years old . 我是15岁。
27.支付不起… can’t /couldn’t afford to do sth.
can’t / couldn’t afford sth.
如：I can’t/couldn’t afford to buy the car.
I can’t/couldn’t afford the car. 我买不起这辆小车。
28. as + 形容词/副词＋as sb. could/can/possible 尽可能……的 如：
Zhou run as fast as her could/can. 周尽可能快的在跑。
29. get into trouble with 遇到麻烦
30. in the end 最后
31. make a decision 下决定 下决心
32. to one’s surprise 令某人惊讶的是 如：
to their surprise 令他们惊讶的是 to Li Lei’s surprise令李雷惊讶的是
33. take pride in sth. 以…而自豪 如：
His father always take pride in him. 他的爸爸总是以他而自豪
34. pay attention to sth. 对…注意，留心 如：
You must pay attention to your friend. 你应该多注意你的朋友。
35. be able to do sth. 能做某事 如：She is able to do it. 她能够做到。
36. give up doing sth. 放弃做某事 如：
My father has given up smoking. 我爸爸已经戒烟了。
37.不再 ①no more = no longer 如：
I play tennis no more/ longer.我不再打网球。
②not …any more = not …any longer 如：
I don’t play tennis any more/longer. 我不再打网球。
38. go to sleep 入睡
Unit3
1.语态：
①英语有两种语态：主动语态和补动语态
主动语态表示是动作的执行者
被动语态表示主语是动作的承受者
Cats eat fish. （主动语态）猫吃鱼。
Fish is eaten by cats. (被动语态) 鱼被猫吃。
②被动语态的构成
由“助动词be ＋及物动词的过去分词”构成
助动词be 有人称、数和时态的变化，其变化规则与be 作为连系动词时完全一样。
时态 被动语态结构 例句
一般现在 时 am
are +过去分词
is English is spoken in many countries.
一般过去 时 was +过去分词
were + 过去分词 This bridge was built in 1989.
情 态
动 词 can/should
may +be+过去分词
must/… The work must be done right now.
③被动语态的用法
当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者，或者只需强调动作的承受者时，要用被动语态。
2. allow sb. to do sth. 允许某人做某事（主动语态）如：
Mother allows me to watch TV every night. 妈妈允许我每晚看电视。
be allowed to do sth. 被允许做某事（被动语态）如：
Lily is allowed to go to Qinzhou. 莉莉被允许去钦州。
3. get their ears pierced 穿耳洞
让/使（别人）做某事 get sth. done (过去分词)
have sth. done (过去分词)
如：I get my car mended. = I have my car mended. 我让别人修好我的车
4. enough 足够
形容词＋enough 如：beautiful enough 足够漂亮
enough＋名词 如：enough food 足够食物
enough to 足够…去做…
如：I have enough money to go to Beijing. 我有足够的钱去北京。
She is old enough to go to school. 她够大去读书了。
5. stop doing sth. 停止做某事 Please stop speaking.请停止说话。
stop to do sth. 停止下来去做其他事 Please stop to speak. 请停下来去说话。
6. 看起来好像…sb. seem to do sth. = it seems that +从句
He seems to feel very sad.=It seems that he feels very sad. 他看起来好像很伤心。
7. 系动词不能独立作谓语，要和表语一起构成谓语。常用的连系动词有：look, feel, be, become, get, turn, smell, taste, stay(保持), kept等。连系动词除be 和become 等少数词可接名词作表语外，一般都是接形容词。 如：
They are very happy. He became a doctor (n.)two years ago. She felt very tired.
8. 倒装句:
由so＋助动词(be/do/will/have)/情态动词＋主语 意为：…也是一样
She is a student. So am I. 她是一个学生，我也是。
She went to school just now. So did I . 她刚才去学校了，我也是
She has finished the work. So have I . 她已经完成了工作,我也完成了。
She will go to school. So will he. 她将去学校，他也是。
9. yet 仍然，还 常用在否定句或疑问句当中
10. stay up 熬夜如：I often stay up until 12:00pm.我经常熬夜到12点。
11. clean up 打扫 整理 如：I have cleaned up the bedroom. 我已经打扫完了卧室。
12. 程度副词：
always总是 usually经常 sometimes有时 never从不
如：I am always/usually/sometimes/never late for school.
我总是/经常/有时/从不上学迟到。
13. 曾经做某事：
Do you ever get to school late? Yes, I do. /No, I don’t.
Have you ever got to school late? Yes, I have. /No, I haven’t.
14. go shopping(去购物), go fishing(去钓鱼), go swimming(去游泳), go boating(去划船), go hiking(去登山), go trekking(去徒步)
15. be strict with sb. 对某人严厉 如：Mother is strict with her son. 妈妈对她的儿子很严厉。
be strict in sth. 对某（事）物要求严格
16. take the test 参加考试
pass the test 通过考试
fail the test 考试失败
17. the other day 前几天
18. agree 同意 反义词 disagree不同意 动词
agreement 同意 反义词 disagreement 不同意 名词
18. keep sb/ sth. ＋形容词 使某人/某物保持…… 如：
We should keep our city clean.我们应该保持我们的城市干净。
19. both…and…+动词
如： Both Jim and Li Ming play basketball.
20. learn (sth.) from sb. 向某人学习(什么) 如：
Jim learnt English from his English teacher. 吉姆向他的英语老师学习英语
21. have an opportunity to do sth. 有机会做某事
have a chance of doing sth. 有机会做某事
如：I have an opportunity to go to Beijing. I have a chance of going to Beijing.
22. at present 目前
23. at least 最少 at most 最多
24. 花费 take ,cost, spend , pay
sth. take (sb.) time to do sth. It took (me) 10days to read the book.
sth. cost (sb.) … The book cost (me) 100yuan.
sb. spend … on sth. She spent 10days on this book.
sb. spend …doing sth. She spent 10days reading this book.
sb. pay … for sth. She paid 10yuan for this book.
25. have +时间段+off 放假，休息 如：have 2 days off
26. reply to 答复某人 如：She replayed to MrGreen.
27. agree with sth. 同意某事 如：I agree with that idea.
agree to sb. 同意某人的意见 如：I agree to LiLei.
28. get in the way of 碍事，妨碍 如：
Her social life got in the way of her studies. 她的社会生活妨碍了她的学习。
29. success n. succeed v. successful adj. successfully adv.
30. think about 与think of 的区别
①当两者译为： 认为、想起、记着时，两者可互用
I often think about/ of that day. 我经常想起那天。
②think about 还有“考虑”之意 ，think of 想到、想出时两者不能互用
At last, he thought of a good idea. 最后他想出了一个好主意。
We are thinking about going to Qinzhou. 我们正在考虑去钦州。
31. 对… 热衷， 对…兴趣
be serious about doing 如：She is serious about dancing. 她对跳舞热衷。
be serious about sth. 如：She is serious about him. 她对他感兴趣。
32. practice doing 练习做某事 She often practice speaking English.
33. care about sb. 关心某人 如：Mother often care about her son.
34. also 也 用于句中 I am also a student. 我也是一个学生
either也 用于否定句且用于句末 I am a student too. 我也是一个学生。
too 也 用于肯定句且用于句末 I am not a student either. 我也不是一个学生。
希望对你有所帮助！
❾ 高一必修三英语第一单元的语法知识点（全部）
请参考
http://www.yingyu.com/e/20140606/53912e2e777c1.shtml