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1、初三英语I人教版九年级上册各单元语法知识点汇总，期末考试复习必备!Unit 1： How can we become good learners?第一单元的语法重点是：by+V-ing结构详解；提建议的句式。by+V-ing “by+V-ing”结构在句子中作方式状语，常用来表示“以、靠、 借助、通过、用（某种方法或手段）”而达到某种预期的目的。该结构常用来回答How do you. . . ?之类的问题。当by和表示交通工具的名词连用时，它与名词之间不用任 何限定词，且名词用单数形式。They often go to school by subway.他们常常坐地铁上学。 by, in和wi
2、th都可以表示“通过；借助”。by后接表示动 作、行为的名词；in表示“用某种语言；用某种材料；with后 接表示物体或工具的名词。如：You may send the book by post.你可以通过邮局把书寄出去。提建议句式What/how about +doing sth. ?如：What/ How about going shopping?Why dont you +do sth. ?如：Why donr t you go shopping?Why not +do sth. ?如：Why not go shopping?Lets +do sth.如：Lets go shopping
3、Shall we/I+ do sth. ?如：Shall we/ I go shopping?Unit 2： I think that mooncakes are delicious!其次单元的语法重点是：宾语从句；反义疑问句；表达“花费”。宾语从句that, if和whatever引导的宾语从句：宾语从句中连接词的选择.由that引导的宾语从句：that在从句中无词义，不作任何 成分，常可省略。如：Jenny said (that) she could finish her painting before supper.I think (that) you are right.1 .由if或
4、whether引导的宾语从句：if或whether引导宾 语从句时，一般可通用，都表示“是否如：I dont know if / whether she still works there.I want to know if / whether there is a hospital in this street.但在下列状况下，只能用whether,而不能用if：(1) 在 whether or not 或 whether or not 结构中，不能用ifo如：Nobody knows whether or not it will rain.(2)在介词之后用whethero如：Im int
5、erested in whether he likes English.主从句时态的呼应当主句是一般现在时态时，从句可用各种时态；当主句是一般过去时态时，从句常用过去的某种时态。但当从句叙述的是客观事实或一般真理时，即使主句为过去时，宾语从句仍旧用一般现在时态。如：He said he would spend his holiday in Dalian.Our geography teacher told us that the sun rises in the east.直击中考【四川乐山】 30. -Thank you for telling me so much knowledge ab
6、out nature.- Dont mention it.you have more questions, come to me any time.A. IfBecauseB. Though反义疑问句确定陈述句+否定提问。如：Lily is a student isnt she?Lily will go to China,won1t she?否定陈述句+确定提问。如：She doesnt come from China,does she?You havent finished homework,have you?提问部分用代词而不用名词如：Lily is a student,isnr t sh
7、e?陈述句中含有否定意义的词如：little,few,never,nothing,hard等，其反意疑问句用确定 式。如:He knows little English, does he?他一点也不懂英语，不 是吗？表达“花费”spend动词，表示“花费金钱、时恒spend. . on sth.在某事上花费（金钱、时间）spend. . doing sth.花费（金钱、时间）去做某事如：He spends too much time on clothes.他花费太多的时间在衣 着上。（花金钱）He spend 3 months building the bridge,他花费了 三个月去建 这座
8、桥。（花时间）1. pay的基本用法是：pay （sb. ） money for sth.花费钱（给某人）买。pay for sth.付的钱。pay for sb.替某人付钱。pay sb.付钱给某人。 pay money back. 还钱。 pay off one1 s money. 还清钱。如： I pay 10 yuan for the book.我花了 10 元买这本书。I have to pay for the book lost.我不得不赔丢失的书款。Dontwory! Ill pay for you.别担忧，我会给你付钱的。They pay us every month.他们每月
9、给我们酬劳。2. take后面常跟双宾语，常见用法有以下几种：It takes sb.+时间+to do sth.做某事花了某人多少时间。doing sth. takes sb. +时间，做某事花了某人多少时间。如： It took them three years to build this road.他们用 了 三年时间修完了这条路。 Repairing this car took him the whole afternoon.他花 了一下午修车。3. cost的主语是物或某种活动，还可以表示“值，常见用法如 下：sth. costs （sb. ） +金钱，某物花了（某人）多少钱。（do
10、ing） sth. costs （sb）.时间，某物（做某事）花了（某人） 多少时间。留意：cost的过去式及过去分词都是cost,并且不能用于被动 句。如： A new computer costs a lot of money.台新电脑要花 大笔钱。 Remembering these new words cost him a lot of time.他花了大量时间才记住了这些单词。直击中考.【湖南长沙】Tom spent 200 yuan this book.A. in B. onC. for D. with2.【广东深圳】It me two days to finish the work.A. took B. costC. spent D. paid3.【天津】34. I some of my free time playing basketball for my school team.A. spend B. costC. take D. pay4.【四川宜宾】24. I$300 for the bike.A. took B. spentC. cost D. paid