英语初三知识点精选汇总人教版
【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。
【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
用在be动词的.后面如：I’m still a student.
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.
【Unit3】
1. 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。
2. get their ears pierced穿耳洞
让/使(别人)做某事get sth. done(过去分词)
have sth. done如：
I get my car made. == I have my car made.我让别人修好我的车
3. 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。
4. stop doing sth.停止做某事Please stop speaking.请停止说话。
stop to do sth.停止下来去做某事Please stop to speak.
请停下来说话。
5.看起来好像…sb. seem to do sth. He seems to feel very sad.
it seems that +从句It seems that he feels very sad.他看起来好像很伤心。
6.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 two years ago.
She felt very tired.
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