人教版九年级上册第二单元语法知识点梳理.docx

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1、人教版九年级上册第二单元语法知识点梳理Unit 2： I think that mooncakes are delicious!第二单元的语法重点是：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1 .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.2 .由if或whether引导的宾语从句：if或whether引导宾

2、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.但在下列情况下，只能用whether,而不能用if：(1)在whether.or not或whether or not结构中,不能用if o如：Nobody knows whether or not it will rain.(2)在介词之后用whethero如：r m interested in whether he likes Englis

3、h.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，宾语从句仍然用 一般现在时态。如：He said he wou1d spend his holiday in Dalian.Our geography teacher told us that the sun rises in the east.【中考真题工1. -Thank you for telling me so much knowledge about nature.-Dont mention it.you have m

4、ore questions, come to me any time.A. IfB. BecauseC. Though 反义疑问句：肯定陈述句+否定提问。如：Lily is a student isnt she?Lily will go to China, won? t she?否定陈述句+肯定提问。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, isnJ t she?陈述句中含有否定意义的词如:little, few,

5、never, nothing, hard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？ 表达“花费”：1. spend动词，表示“花费金钱、时间”：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桥。（花时 间）2. pay的基本用法是：pay （sb

6、. ）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 ones 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。Dont wory! Til pay for you .别担心，我会给你付钱的。They pay us every month.他们每月给我们报酬。3. take后面常跟双宾语，常见用法有以下几种：It

7、 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。4. 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。(doing)sth. costs(sb).时间，某物(做某事)花了(某人)多少

8、时间。注意：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.一台新电脑要花一大笔钱。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。【中考真题】：1. Tom spent 200 yuanthis book.A. in B. onC. for D. with2. It me two days to finish the work.A. took B. costC. spent D. paid3. I some of my free time playing basketball for my school team.A. spend B. costC. take D. pay4. I$300 for the bike.A. took B. spentC. cost D. paid