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初三上册英语期中知识点归纳
在我们平凡的学生生涯里，是不是听到知识点，就立刻清醒了？知识点是指某个模块知识的重点、核心内容、关键部分。你知道哪些知识点是真正对我们有帮助的吗？以下是小编精心整理的初三上册英语期中知识点归纳，仅供参考，希望能够帮助到大家。
初三上册英语期中知识点归纳1
可数名词变复数的几种形式
1.单数名词加s: students, apples, bags, trees, books, brothers.
2.以s、x、sh、ch结尾的名词加es: glasses, boxes, brushes, matches.
3.以辅音字母加y结尾的名词，变y为i加es: cities, babies, enemies.
4.以f或fe结尾的名词，多数变f为v加es: wives, knives.但有些词只加s: roofs,proofs, chiefs.
5.以o结尾的.名词，有些加es: Negroes, heroes, tomatoes, potatoes.其它加s: radio s, zoos, pianos, photos.
6.不规则名词：foot→feet, goose→geese, tooth→teeth, child→children, man→men, woman→women, mouse→mice.
7.单复数同形的名词：sheep，fish，dee.
注意：fish表示种类时，也用fishes这样的形式。
初三上册英语期中知识点归纳2
从句
1.宾语从句
在复合句中，由一个句子充当宾语，这个句子叫做宾语从句。宾语从句主要有三种类型，分别是that引导的宾语从句、if或whether引导的宾从、连接代词和连接副词引导的宾语从句。常见的宾语从句引导词：that、if、whether、what、who、where、why和how。
Eg. I am sad that you refused me.我很难过你拒绝了我。
2.定语从句
定语从句在中考和高考中出现的频率都非常高。在复合句中，修饰名词或代词的从句叫定语从句。被修饰的'名词或代词叫先行词。定语从句一般放在先行词的后面。常见的关系代词包括that,which,who（宾格whom，所有格whose）,as等，关系副词包括where,when,why等。
Eg. Lily likes music that is quiet and gentle.玛丽喜欢轻柔的音乐。
3.状语从句
状语从句就是由一个句子在复合句中充当状语。所以状语从句又可以分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句等等。每种状语从句都有特定的引导词：
（1）地点状语从句：where,wherever
（2）时间状语从句：when, while, as, before, until, till, since
（3）原因状语从句：because, since,as, now that, not that…, but that…, seeing that,considering that, in that
（4）目的状语从句：so, so that, in order that, that, to the end that, in case,for fear that,lest
（5）结果状语从句：so...that, such that, so that, with the result that
（6）条件状语从句：if,unless,if only,only if,in case,suppose/supposing
(that),provided/providing(that),on condition that,so/as long as
（7）方式状语从句：as, as if, as though
（8）让步状语从句：though, although, as, even if, even though, whether, no matter
whether...or, no matter with
初三上册英语期中知识点归纳3
定冠词也出现在其他11种情况中，非同时注意不可。
⑴用在单数名词前面，以代表同类的人或物，如：
The ox is a useful animal for farmers.
This type of work is easier for the teacher than for the student.
但当涉及man和woman这两个名词时，一般上不必用the：
Man is mortal.
Woman differs from man in many ways.
⑵用在单数名词前面来表示有关名词的抽象概念，如：
Don't play the fool.
Peter is fond of the bottle.
⑶用在数目字前面，如：
Mr Li is somewhere in the 30s.
She was not yet born in the 50s.
⑷用在测量单位前面，以表示“每”(each/per)，如：
Some factory workers are paid by the hour.
This car usually does 15 kilometres to the litre.
⑸用在比较级形容词或副词之前，以加强其意义，如：
The teacher explained the idea again, but his students were none the wiser.
Your mind will function all the better if you have some time away from your work.
⑹用在“the more/better……the more/better……”结构里，如：
The more we practise, the more we improve.
The better the staff, the better the performance.
⑺用在乐器名称之前，如：
The piano sounds better than the organ.
⑻用在剧院、电影院之前，如：
Do you often go to the cinema?
Tom went to the Lido last week.
⑼用在四个方向之前，如：
The sun rises in the east and sets in the west.
⑽用在复数姓氏之前，以表示有关家人，如：
The Browns will visit us tonight.
⑾用在某些惯用语之前，如：
We know the ins and outs of the matter.
Compare the pros and cons before you make your decision.
初三上册英语期中知识点归纳4
重点短语
1.buy sth for ab./ buy sb. sth为某人买某物
2.taste + adj.尝起来……
3.nothing...but+V.(原形)除了……之外什么都没有
4.seem+(to be)+adj看起来
5.go skate boarding去划板
6.keep healthy=stay healthy保持健康
7.eating habits饮食习惯
8.take more exercise做更多的运动
9.be like a mirror像一面镜子
10.as long as只要；与…...一样长
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