Unit2现在完成时知识梳理及专项练习冀教版八年级英语上册

现在完成时知识梳理和专项练习现在完成时表示过去已经结束的动作对现在产生的影响

1.I have already seen the film,it ispretty good.Can youlend meyour pensI haveleft mine in at home.常用标志词一般用于肯定句，否定句表示“还”，疑问句表示“已经”1already yet等just,lately,recently,so far,up tillnow,by thistime此种用法一般会考察对于语境的理解，例如工什2Can youlend meyour penshave Iemineinathome..现在完成时表示过去的某一动作一直持续到现在2My familyhas livedhere for twenty years.常用标志词时间点，一段时间1since+for+终止性动词和持续性动词2终止性动词又称为短暂性动词，表示动作是短暂的，瞬间完成的，如等持续die,join,close,leave性动词又称延续性动词，表示动作是可以持续的如eat,have,keep,lie完成时第二种用法肯定句的动词必须是持续性动词His fatherhas beendead for three years.VHis fatherhas diedforthree years.X常见终止性动词和持续性动词的转化3buyhave borrowkeeparrivestay learnknowe backbeback leavebe awaydiebe deadbeginbe on.现在完成时表示经历过的事情，这种经历不可能被埋没或者否定3I haveread thebook threetimes.常用标志词1never,ever,...times2have beento,have goneto,have beenin表示“去过某地，已经回来了“have beent表示“去了某地还没有回来”have goneto表示“待在某地“，一般和段时间状语连用have beenin.现在完成时的动词结构为过去分词4have/has+为助动词，本身无意义，1have/has规则动词的过去分词和过去式一样，不规则动词的过去分词需要逐个背诵2专项练习用填空never,ever,already,just,yet,for,sir\ce.

1.1have seenhim before,so Idont knowhim.

2.Jack hasfinished his homework.

3.Mr.Wang hastaught inthis schoolten years.n u

14.Have youseenthef ilmNo Ihave seenit/z

5.1have beenin Tangshanthree years ago.二用所给词的适当形式填空

1.1alreadysee thefilm.

2.hefinish hiswork todayNot yet.

3.My fatherjuste backfrom work.He istired now科学

4.youfind yourscience bookyet

5.He nevervisitHangzhou before.

6.1never hearherspeak inpublic.

7.Bill notfindhis watchyet.

9.1hearthe newsalready.

10.1am nothungry.I justhavemy dinner.科学

11.youfind yourscience bookyet

12.1work heresince Imovehere in

1999.

13.How longthe WangsstayhereFor twoweeks.争吵

14.He notspeakto mesince wequarrel.

15.Harry Potteris avery nicefilm.Iseeit twice.三单选1—you your homework yet—Yes.I ita momentago.A.Did;do;finished B.Have;done;finishedC.Have;done;have finished D.will;do;finish

2.Who willgo tothe stationto meetJerry几次I will.I herseveral times.A.met B.have metC.had metD.will meet

3.My motherthe windowsalready,so theroom looksmuch brighter.A.has cleanedB.had cleanedC.is cleaningD.will clean更明亮.

4.My motherthe windowsalready,so theroom looksmuch brighterA.has cleanedB.had cleanedC.is cleaningD.will clean

5.A youyourhomeworkyet BYes.I ita momentago.A.Did;do;finished B.Have;done;have finishedC.Have;done;finishedD.will;do;finish

6.A Haveyou writtenanything onChinese traditionalfood sofar B,but Ihaveaplan forit.・A.Ever sinceB.Later onC.Not yetD Fromnow on

7.1the armythree yearsago.I thearmy forthree years.A joined,have joinedB havejoined,was inC joined,have beenin

8.Our teacherwent toBeijing lastweek,she forseven days.A leftB haveleft Cwas awayD has been away四句型题田加「改为否定句

1.He hasalready finishedhis

111.He finishedhishomework.同义句转换

2.This factoryopened twentyyearsago.This factoryfortwentyyears.同义句转换

3.Miss Gaoleft an hour ago.__________________________________________Miss Gaoanhourago.（同义句）

4.Her motherhasbeena Partymember forthree years.Her motherthe Partythreeyears.（同义句转换）

5.The GreenFamily movedto Francetwo yearsago.two yearsthe Greenfamily movedtoFrance.（对划线部分提问）

6.They have been heresince

2000.have theybeen here（改为否定句）

6.1havebeento Macaubefore.I beento Macaubefore.（就划线部分提问）

8.He hasnt eto schoolbecause hewas ill.he eto school（用改写）

9.1bough a new bikejust now.justI justanewbike.。