現(xiàn)在完成時態(tài)

1、現(xiàn)在完成時態(tài)現(xiàn)在完成時態(tài)一構(gòu)成：助動詞have(has)動詞的過去分詞構(gòu)成。二用法（1）表示動作發(fā)生在過去某個不確定的時間，但對現(xiàn)在留下了某種影響和結(jié)果。常被just、already、yet等副詞修飾。如：YesterdayIfinishedmyhomewkthat’stosayIhavefinishedmyhomewknow.Ihavealreadyhadlunch.Ivejusthadit.（2）表示從過去某一時刻開始一直持續(xù)到現(xiàn)在

2、的動作或狀態(tài)。這個動作可能剛停止，可能仍然在進(jìn)行。常帶有f和since等表示一段時間的狀語。如：Ihavelivedheresince1990.Ihavetseenherffouryears.1）他已經(jīng)做完作業(yè)了。2）我已經(jīng)把信寄出去了3）剛剛下過雨，地面還是濕的。4）我曾經(jīng)讀過這個故事。5）我還沒有完成作業(yè)。6）我以前從未見過他。7）我認(rèn)識他三年了。8）自從2011年我們就住這兒。9）到目前為止，我學(xué)英語三年了。10）近來，我沒見到他

3、。三現(xiàn)在完成時的四個基本句型肯定句Hehasfinishedthewk.一般疑問句Hashefinishedthewk否定句Hehasnotfinishedthewk.兩回答Yeshehas.Nohehasn’t.特殊疑問句Whathashedone四在下列情形下用現(xiàn)在完成時1.alreadyjust和yet表示動作或狀態(tài)已經(jīng)、剛剛或還沒有發(fā)生。①already已經(jīng)just剛剛肯定句中或句尾例:Ihavealreadyfoundmype

4、n.=Ihavefoundmypenalready.Ihavejustfinishedmyhomewk.=Ihavefinishedmyhomewkjust.②yet已經(jīng)否定句和疑問句句尾例：Ihavenotfinishedthewkyet.Haveyouboughtacomputeryet2.ever和never表示到現(xiàn)在為止動作或狀態(tài)曾經(jīng)或從來沒有發(fā)生過③ever曾經(jīng)句中例：Haveyoueverseenpas④never從不句中例

5、：IhaveneverbeentoBeijing.3.表次數(shù)的詞。manytimestwicethreetimes等，表示到目前為止，某事發(fā)生了…次。⑤IhavevisitedBeijingmanytimes.Ihaveseenhimtwice.4.一些表時間的詞：sofar=bynowrecentlybefeinthelastpasttenyears⑥befe以前句尾例：Ihaveneverbeentherebefe.⑦sofar到目

6、前為止句首例：Sofarhehaslearnt200wds.⑧recently近來，最近例：RecentlyIhaven’tseenhim.⑨.Inthelastpast…..Inlast3monthsIhavelearnedtolookaftermyself.Theyhaveplantedmanytreesinthelastfewyears.5.f一段時間、since結(jié)構(gòu)ftwomonthsf一段時間Jimhaslivedheref2

7、months.sincelastyearsince3yearsagosince1990since過去點(diǎn)時間LucyhaslivedinBeijingsince3yearsago.sincehecameheresince過去時態(tài)句子HehaslivedinChinasincehecamehere.一.用since和f填空1.______twoyears2.____twoyearsago3.___lastmonth4.______19995

8、._______yesterday6._______4o’clock7._______4hours8._____anhourago9.___wewerechildren10._____lunchtime11.____shelefthere12.HehaslivedinNanjing_______theyearbefelast.finish(end)→beoverleavemove→beawaybrow→keepgotoschool→be

9、astudentcatch(acold)→have(acold)begintostudy→studycomeback→bebackputon→wear或beon六兩詞組havegoneto去了某地例：HehasgonetoBeijing(去了北京)havebeento去過某地例：HehasbeentoBeijing.(去過北京)七練習(xí)（一）用所給動詞的適當(dāng)形式填空1.Thanksalot.It’ssunnyagain.It_______

10、________(rain)falongtime.2._____________Mr.Li_______________(live)heresince8yearsold3.SinceMr.Licameherehe_______________(teach)inthisschool.4.It’sthethirdtimethatI_______________(see)himthismonth.5.IsyourmotherathomeNos

11、he_______________(go)towk.6.Hermother_______________(become)adoctin1970.She_________(wk)inthehospitalsince26yearsold.7.He____________(teach)Englishheresincewe_________(see)him5yearsago.8.Howmanytimes_______________you___

12、____________(be)toBeijingOnlyonce.I_______________(go)theretwoyearsago.9.I’velostmycat._______________youever_______________(see)itanywhere10.Myparentsarenotathome.They_______________(leave)fShanghai.11.Waithereplease.Th

13、etrain_______________(notarrive)yet.12.WhereismydictionaryLiPing_______________(take)itaway.13.I_______________(lose)mypenI_______________(look)fitnow.14.I_______________(notsee)suchastrangethingbefe.15.HejoinedthePartyi

14、n1990.He_____________(be)apartymemberf10years.16.Howlong______________UncleWang______________(wk)inthisfactySince1995.17.Sofarthechildren_______________(learn)1000Englishwds.18.____________you__________(mend)yourbikeYes.

15、Imendeditamomentago.19.I’lltellhimthenewsthatourclass_______________(win)already.20.She_______________(stay)herefover5years.21.Theboxisempty.Who_______________(eat)allthecakes22.Hehasfoundhisbike.When_______________he___

16、____________(find)it23.Hersister____________(go)toShanghai.She___________(leave)thismning.24.MyfriendWangHaioften_______________(swim)intheriver.25.Theteacher_______________(reach)Beijingtwodaysago.（二）每處劃線中有錯誤，在題后改正1.Jim

17、hasboughtthebookfjust3days.2.UncleWanghasdiedf3years.3.IhavegonetoBeijingthreetimes.4.Jimisn’there.HehasbeentoBeijing.Hewenttherethismning.5.Shehaslivedtheresince8years.6.Hashebeenateacherf19907.Ilivedheresince3monthsago

18、.8.HaveyoufinishedthewkyetYesIdid.9.Jim’sbrothershasmademanykindsofkites.10.Hehastakedthebooksaway.（三）按要求句型轉(zhuǎn)換Katehasalreadyfinishedthehomewk.否定句：______________________一般疑問句：__________________兩回答：______________________特殊疑