初三上册英语期中知识点归纳.docx

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1、初三上册英语期中知识点归纳1 .初三上册英语期中知识点归纳定冠词也出现在其他11种情况中，非同时注意不可。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.用在单数名词前面来表示有关名词的抽象概念，如：Dont play the fool.P

2、eter is fond of the bottle.用在数目字前面，如：Mr Li is somewhere in the 30s.She was not yet born in the 50s.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.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 n

3、one the wiser.Your mind will function all the better if you have som e time away from your work.用在the more/betterthe more/better结构里，如：The more we practise, the more we improve.The better the staff, the better the performance.用在乐器名称之前，如：The piano sounds better than the organ.用在剧院、电影 院之前，如：Do you ofte

4、n go to the cinema?Tom went to the Lido last week.用在四个方向之前，如：The sun rises in the east and sets in the west.(1。)用在复数姓氏之前，以表示有关家人，如：The Browns will visit us tonight.(11)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 deci sion.2 .初三上册英语期中知识点归纳主动语态和被动语

5、态 主动语态(The Active Voice)表示主语是动作的执行者。被动语态(The Passive Voice)表示主语是动作的承受者。构成：承受者+助动词be +及物动词的过去分词+ by +执行者一般现在时：承受者+助动词am / is/are +及物动词的过去分词 + by +执行者一般过去时：承受者+助动词was / were +及物动词的过去分词 + by +执行者承受者+助动词shall / will be +及物动词的过去分词+ by+执行 者承受者+助动词have/ has been +及物动词的过去分词+ by +执 行者承受者+ can /may/must/shoul

6、d +be +及物动词的过去分词+ by +执行者.初三上册英语期中知识点归纳从句.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、 wheres why 和 howoEg. I am sad that you refused me.我很难过你拒绝了我。1 .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

7、。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。2 .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,

8、 until, till, sine e(3)原因状语从句:because, since,asz 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 th e end that, in casejor fear thatjest(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 0nly,only i

9、f,in case,suppose/ supposing(that),provided/providing(that)/on condition that,so/as Io ng 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 th oughz whether, no matterwhether.orz no matter with4 .初三上册英语期中知识点归纳可数名词变复数的几种形式1 .单数名词加 s: students； apples, bags, trees, books,

10、 broth ers.2 .以 s、x、shs 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力口 es: wives, knives.但有 些词只加 s: roofs,proofs, chiefs.5 .以。结尾的名词，有些加 es: Negroes, heroes, tomatoes, p otatoes. 其它力口 s: radio s, zoos, pianos, photos.6 .不规贝！名词：fo

11、otfeet, goosegeese, toothteeth, chil dchildren, manmen, womanwomen, mousemice.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。5 .初三上册英语期中知识点归纳重点短语1 .buy sth for ab./ buy sb. sth 为某人买某物.taste + adj.尝起来2 .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.keep healthy = stay healthy 保持健康6 .eating habits 饮食习惯.take more exercise做更多的运动7 .be like a mirror 像一面镜子.as long as只要;与一样长