thePresentPerfectTenseThekeyisn’tinhispocketsnow.Hehaslosthiskey.Theyareintheroomnow.Theyhavecomeintotheroom.1.Myfatherboughtmanybooksformeyesterday.Now,Ihavealottoreadbecause________________________________2.Isawthisfilmlastweek.Now,IknowthisfilmbecauseI_____________________.3.Ifinishedmyhomeworkyesterday.Now,IcangiveittotheteacherbecauseI______________myfatherhasboughtmanybooksforme.haveseen

itbefore

havefinished

it.“仍然，還”用在疑問句和否定句中。Ihaven’treadthisbookyet.Haveyouhadbreakfastyet?already:Yet:“已經”通常用于肯定句中。Ihavealreadypostedtheletter.有時，也用在疑問句中表示驚訝。Haveyoueatenupallthefoodalready?構成：have/has+動詞過去分詞時間狀語：already，yet，ever，never，just，before“以前”用在完成時中，放在句尾。Ｉhaveneverreadthiskindofbooksbefore.justbefore“剛剛”用在陳述句中。

I

havejustboughtanovel。Shebeganto

workin1999.Shestillworksherenow.

Shehasworkedatthisschoolfor2years.

nowpastIbegantoteachEnglishatthisschoolfiveyearsago.Ihavetaught

Englishatthisschoolfourfiveyears.用法2：過去發生的動作一直延續到現在。sinceandforThewomanhasworkedatthisschoolfor2years.(sincetwoyearsago)since2yearsagosince1998;sinceshecametotheschool)for+一段時間since+點時間一、用for和since填空。______threehours______threeo’clock______twodays______yesterdayafternoon______Icamehere______lastSunday_______aweek_______alongtime_______1997______twoweeks_______threeyearsago_______lastmonthforsinceforsincesincesinceforforsinceforsincesince

1.They’veknowneachothersince_______.A.1995B.threeyears2.I’vebeeninterestedinChinesefor______.A.lastyearB.oneyear3.Shehasbeenadoctorfor______.A.twoyearsB.twoyearsago4.I’vehadaheadachesince_______.A.IgotupthismorningB.fivehours5.We’vebeenherefor______.A.onehourB.oneo’clockAABAB

Exercise根據所給情況，用just,already或yet造句。1.Afterlunchyougotoseeafriendatherhouse.Shesays‘Wouldyoulikesomethingtoeat?’Yousay:No,thankyou.I’vejusthadlunch.(havelunch)2.Joegoesout.Fiveminuteslater,thephoneringsandthecallersays‘CanIspeaktoJoe?’Yousay:I’mafraid_________________.(goout)hehasjustgoneout3.Youareeatinginarestaurantthisevening.Thewaiterthinksyouhavefinishedandstartstotakeyourplateaway.Yousay:Waitamoment!_______________________(not/finish)4.Youaregoingtoarestaurantthisevening.Youphonetoreserve(預定）atable.Lateryourfriendsays‘ShallIphonetoreserveatable?’Yousay:No,__________________it(do)Ihaven’tfinishedityet.Ihavealreadydone5.Youknowthatafriendofyoursislookingforajob.Perhapsshehasbeensuccessful.Askher.Yousay:__________________________?(find)6.Annwenttothebank,butafewminutesagoshereturned.Somebodyasks‘IsAnnstillatthebank?’Yousay:No,__________________________.(comeback)

HaveyoualreadyfoundthejobShehasalreadycameback現在完成時不能和確定的過去時間狀語連用，如：yesterday,lastyear,in1976，twodaysago,justnow…但可以和一些不確定的時間狀語連用，也可和包括現在在內的時間狀語連用，如：already,yet,before,latelyrecently,once,twice,ever,never。。。。1)Shehasalreadycome.2)Ihaven’treadityet.*go\come\leave\die等詞語表示的動作是一時的，不能延續，不能與for、since等表示一段時間的詞連用，如不能說：He