初二下册英语第九单元语法.doc

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1、现在完成时（II）第九单元语法知识1.构成：含有be动词的现在完成时的谓语部分由“have/has+been+to+地点”构成，表示：曾经去过某地…(been是be的过去分词，不规则变化)2.基本句型：(1)肯定句：主语+have/has+been+to+地点.(2)否定句：主语+haven’t/hasn’t+been+to+地点.(3)一般疑问句：Have/Has+主语+been+to+地点？肯定回答：Yes,主语+have/has.否定回答：主语+haven’t/hasn’t.（4）特殊疑问句：特殊疑问词+

2、have/has+主语+been?eg:Wherehaveyoubeen?3.用法：用来表示之前已经发生和完成度的动作与状态，其结果却和现在有联系.动作和结果发生在过去，但它的影响现在还在.可以和never,ever,once,twice,three/four…times等副词连用.eg:TheyhavebeentoChongqingtwice.IhaveneverbeentoSichuan.HassheeverbeentoHainan?3.区别：(1).have/hasbeento+地点表示：曾经去过某地，已

3、经回来了(2).have/hasgoneto+地点表示：去了某地，还没有回来eg:ShehasbeentoShanghai.（她去过上海，已经回来了）ShehasgonetoShanghai.（她去了上海，还没有回来）(3).havebeenin表示“在某地呆了多少时间”，常与时间段状语连用eg:IhavebeeninShanghaiforthreeyears．我到上海已有三年了。HehasbeeninLondonforhalfamonth．他来伦敦已有半个月了。(4).havebeenon表示“已经开始了多久

4、表示持续性”eg:Thefilmhasbeenonfortenminutes.电影已经开始了10分钟了。例题：1.—Whereisyourbrother?—He__________theshop.He’llbebacksoon.2.—_____youever_______toAmerica?—Yes,I_______NewYorktwice.3.—David___________Australia.—I’msurehehasalreadyarrived.4.—IsBennyhere?—No,he______th

5、eschoollibrary.Heleftfiveminutesago.1.Mikeandhisparents__________thesouthforhalfayear.6.Mumisnotathomenow.she_________theshop.7.Youcan’tfindhim.He__________Xi’an.8.Mr.Zhang__________thisschoolfortenyears.Heknowseveryonehere.9.Miss.Brown__________Chinathreeti

6、mes.10.I__________theWestlake,Look,Ihavetakenmanyphotosofit.11.Tom___________Jim’shome,buthehasn’tcomeback.12.We____________thebookshopandboughtmanybooks.13.Myparents_________Shandongfortenyears.14.I____already____(see)thefilm.I________(see)itlastweek.15.___

7、__he____(finish)hisworktoday?Notyet.16.Myfather____just____(come)backfromwork.Heistirednow.17.Where’sLiMing?He__________(go)totheteacher’soffice.18.I__________(work)heresinceI______(move)herein1999.19.SofarI_______________(make)quiteafewfriendshere.20.Howlon

8、g________theWangs______________(stay)here?Fortwoweeks.21.I________just___________(finish)myhomework.re22.He________(go)toschoolonfooteveryday.23.____you______(find)yoursciencebookyet?24.Mylittle