以下是小编帮大家整理的初二英语的知识点（共含5篇），仅供参考，欢迎大家阅读。同时，但愿您也能像本文投稿人“tgyhju”一样，积极向本站投稿分享好文章。
(一)
一般将来时
一般将来时表示将来某个时间要发生的动作或者存在的状态。通常与表示将来的时间状语连用，如tomorrow, the day after tomorrow, next year, next month, next week, in 100 years等。
be going to do (动词原形)结构：表示打算、准备做的事情或者肯定要发生的事情。如：It is going to rain.
will do 结构表示将来的用法：
1. 表示预见
Do you think it will rain?
You will feel better after a good rest.
2. 表示意图
I will borrow a book from our school library tomorrow.
What will she do tomorrow?
基本构成如下：
一般疑问句构成：
(1)will+主语+do…? Will Sarah come to visit me next Sunday?
(2)there be 结构的一般疑问句：Will there + be …?
Will there be fewer trees? Yes, there will. / No, there won't
否定句构成：will + not (won't)+do
Sarah won't come to visit me next Sunday.
特殊疑问句构成：
特殊疑问词+will+主语+…?What will Sarah do next Sunday?
(二)
should的用法：
should用来提出建议和忠告，后边加动词原形，否定句直接在should后边加not.
例如：I think you should eat less junk food.
我认为你应该少吃垃圾食品。
She drives a lot and she seldom walks. So I think she should walk a lot.
她经常开车，很少走路。所以我认为她应该多走路。
Students shouldn't spend too much time playing computer games.
学生们不应当花太多的时间玩计算机游戏。
学习向别人提建议的几种句式：
(1)I think you should…
(2)Well, you could…
(3)Maybe you should …
(4)Why don't you…?
(5)What about doing sth.?
(6)You'd better do sth.
(三)
过去进行时
过去进行时表示过去某一点时间正在进行的动作或者过去某一段时间内一直进行的动作。
1. 构成
was /were + doing，例如：
I was watching TV at 9 o'clock last night.
at 9 o'clock last night是时间点
They were playing football all afternoon.
all afternoon是时间段
2. 过去进行时的标志词
at 8 o'clock last night, this time yesterday等。例如：
I was having lunch at home this time yesterday.
昨天的这个时候我正在吃午饭。
At that time she was writing a book.
那阵子她在写一本书。(表示她在那段时间里一直在做那件事情。)
(四)
间接引语
形成步骤：
(1)不要逗号，冒号，引号
(2)要考虑到人称的变化(人称的变化与汉语是一致的)
(3)要考虑时态的变化
(4)要考虑时间状语、地点状语和语示代词的变化。
1. 直接引语变成间接引语时，几个主要时态的变化规律
直接引语间接引语一般现在时一般过去时一般将来时过去将来时现在进行时过去进行时
2. 直接引语变成间接引语时，一些词汇的变化规律
直接引语 1. am / is 2. are 3. have / has 4. will 5. can 6. may 间接引语 1. was 2. were 3. had 4. would 5. could 6. might
(五)
if引导的条件状语从句
结构：if+一般现在时，主语+将来时
含义：如果……，将要……
例如：If you ask him, he will help you.
如果你请求他，他会帮助你。
If need be, we'll work all night.
如果需要，我们就干个通宵。
1.
take : 拿走
take sb. / sth. to someplace;
take sth. with you
bring: 带来
bring sth for a picnic
It's going to rain, please take an umbrella with you.
You'd better finish your homework today and bring it to school tomorrow.
2.
keep + 名词 + 形容词
Keep the windows open, it's hot here.
keep sb doing sth
I'm sorry I've kept you waiting for a long time.
keep表示“借”用于和一段时间连用：
How long can I keep this book?
3.
let / make / have sb do sth
让(使)某人干某事
Let's go to the zoo!
How did he make the baby stop crying?
4.
forget to do sth
忘记去做某事
remember to do sth
记得去做某事
forget doing sth
忘记做过某事
remember doing sth
记得做过某事
5.
stop to do sth
停下来做另一件事情
stop doing sth
停止正在做的事情
stop sb from doing sth
阻止某人干某事
Let's stop to have a test, it's too hot today.
When the teacher came into the classroom, the students stopped talking.
We plant trees to stop the wind from blowing the earth away.
begin / start to do sth
6.
tell / ask sb to do sth
否定形式 tell / ask sb not to do sth.
Policemen asked us not to play on the road , it was too dangerous.
Our P.E. teacher told us a story yesterday.
7.
see / hear / watch sb do sth
see / hear / watch sb doing sth
I heard him singing in the room when I passed by.
8.
enjoy sth ; enjoy doing sth ;
enjoy oneself = have a good time
Our classmates went to the zoo last Sunday. They enjoyed themselves.
9.
be busy with sth;
be busy doing sth
They are all busy with their work.
10.
finish doing sth.
Tom didn't go to bed until he finished writing the composition.
11.
want sth / to do sth / sb to do sth
would like sth / to do sth / sb to do sth
feel like doing sth.
He didn't feel like eating anything.
12.
had better do sth
否定形式：
had better not do sth
You'd better not sing here, the baby is asleep.
13.
Why not do sth ?
=
why don't you do sth ?
=
Why didn't you do sth ?
Why not come with me?
14.
What about sth / what about doing sth ?
=
How about -----?
How about playing basketball with us?
15.
Thank you for sth /
Thanks for doing sth.
Thanks for your help.
------------
It's a pleasure.
Thanks very much for helping me.
16.
instead往往放在句首或句尾
instead of sth / instead of doing sth.
通常放中间
He didn't go to the park. He went to the cinema instead.
He went to the cinema instead of going to the park..
17.
put on
强调动作
wear 强调状态
in 介词,构成一个短词
Put on your old clothes tomorrow, because we'll do some cleaning.
Kate is wearing a red sweater today.
The man in a blue suit is Mr. Li
18.
在if 引导的条件状语从句、以when , before, after , as soon as 引导的时间状语从句, 当主句是：一般将来时态、含情态动词或祈使句的情况下,从句用一般现在时表示将来时.
We'll go hiking if it doesn't rain tomorrow.
it doesn't rain = it isn't rainy
I'll tell her the good news as soon as I see her.
同样的情况还适用于not ---- until 句型
I won't go to bed until I finish my homework.
1.短语动词小结
常见动词短语结构有下面几种：
(1)动词+副词 如：give up 放弃;turn off 关掉;stay up 熬夜
这种结构有时相当于及物动词，如果其宾语是代词，就必须放在动
词和副词之间，如果是名词，则既可插在动词和副词之间，也可放
在短语动词后。
(2)动词+介词 如：listen of 听;look at 看;belong to 属于
这种结构相当于及物动词，后面跟宾语。
(3)动词+副词+介词 如：come up with 提出，想出; run out of 用完，耗尽
(4)动词+名词+介词 如：take part in参加;catch hold of 抓住
2. each 每个，各自的，强调事物的个别情况，常与of 连用
every 每个，每一个的，一切的，有“全体”的意思不能与of 连用
3. help sb. (to) do 帮助某人做某事 help him (to) study
help sb. with sth. 帮助某人做某事 help him with English
help do 帮助做某事 help study
4. spend...doing... 花费…做…
I spent a day visiting Beijing. 我花了一天的时间去参观北京。
spend… on sth. 花费…在… I spent 3 years on English.
5. join 参加 (指参加团体、组织) 如：join the Party 入党
take part in 参加 (指参加活动) 如：take part in sports meeting 参加运动会
6. run out 与 run out of
(1)run out (become used up). 其主语往往为物。如时间，食物，金钱，油等，本身就含有被动意义。
His money soon ran out. 他的钱很快就花光了。
Our time is running out. 我们剩下的时间不多了。
(2)run out of 主语为人，表示主动含义。
He is always running out of money before pay day. 他总是在发工资的日子还没有到就把钱花完了。
两者在一定条件下可以互换
如：The petrol is running out. 汽油快用完了= We are running out of petrol.
Our time is running out. 我们剩下的时间不多了。= We are running out of time.
7. work out
(1)结局，结果为
The strategies that he came up with worked out fine. 他提出的这个策略效果很好。
(2)算出，制订出，消耗完(精力等)
He never seems to be worked out. 他好像永远不会疲乏似的。
He worked out a plan. 他制订了一个计划。
I have worked out our total expenses. 我已经算出了我们总的费用。
8. hang out 闲荡 闲逛
I like to hang out at mall with my friends. 我喜欢和我的朋友一起去购物中心闲荡。
9. be able to do 能，会
be unable to do 不能，不会
10. for sure 确实如此，毫无疑问
You don’t have money. That’s for sure. 你没有钱，这是毫无疑问的。
“by+doing形式”表示方式、方法
语法结构 by+doing形式，“通过做...的方式” I learn Chinese by listening to tapes。
提问方式 by+doing结构常用来回答How do you...?
或How can I...?这类句型 -How can I turn on the light?
-By turning this button.
拓展：介词by的其他用法：
1)by+交通工具，“乘/坐...” by bus
2)by+地点，“在...的旁边;靠近...” by the lake
3)by+时间，“截止到...;不迟于...” by ten
4)辨析by、with、in，“用”
by 侧重“用”某种手段、交通工具、传递方式或媒介等
with 侧重“用”有形工具、材料、内容等
in 侧重“用”语言、语调、笔墨、颜色等
Eg. We’ll be traveling by car.
He broke the window with a stone.
Please answer the question in English.
Unit1
1.词汇：
__knowledgen.知识
__学习的英文动词为learn，现在分词为learning
__第一个Com开头是表示电脑的单词，形容词作定语要后置
__第二个grep是一个动词，全称是globalsearch
__第三个fmt是format的缩写，表示格式
__第四个DNA是脱氧核糖核酸的缩写，也是基因的英文
__最后一个URL是uniformresourcelocator的缩写，表示网页的地址
2.语法：
__宾语从句
Unit2
1.词汇：
__第一个HTML是超文本标记语言的缩写，后面跟着的5个都是表示颜色的英文缩写
__第二个CSS是层叠样式表的缩写，后面跟着的3个都是表示颜色英文缩写
__第三个JavaScript是一种编程语言
__最后一个URL是uniformresourcelocator的缩写，表示网页的地址
2.语法：
__定语从句
Unit3
1.词汇：
__第一个HTML是超文本标记语言的缩写，后面跟着的5个都是表示颜色的英文缩写
__第二个CSS是层叠样式表的缩写，后面跟着的3个都是表示颜色英文缩写
__第三个JavaScript是一种编程语言
__最后一个URL是uniformresourcelocator的缩写，表示网页的地址
2.语法：
__感叹句
初二英语知识点复习就到这里结束，祝学习愉快。
★ 初二数学知识点
★ 初二物理知识点
