八年級英語現在完成時態課件1第一頁，共16頁。Presentperfecttense

現在完成時

構成:用法一：表示過去發生的某一動作對現在造成的影響或產生的結果.現在完成時這一時態強調是過去動作與現在的聯系,也就是強調現在的影響和結果.have/has

+過去分詞第一頁第二頁，共16頁。1.都表示過去發生的事2.現在完成時強調過去和現在的聯系，不能和具體的時間狀語連用；3.一般過去時強調過去發生的事或狀態與表示過去的具體時間連用（last,ago,yesterday,etc.）presentpastIhavelivedherefortwoyearsIlivedthere2yearsago第二頁第三頁，共16頁。eg.1.Hehadhisbreakfastat6:00

Hehashadhisbreakfast.2.Whendidyoucomehere?

IwatchedthefootballmatchonTVat9:00.

第三頁第四頁，共16頁。Adverbsoftime

before,bynow(sofar),once,twice…,just,recentlyyet(否/疑),already(肯),ever,never,allone’slife,in/duringthepast/last5years,

第四頁第五頁，共16頁。Exercises

1.I________(have)lunchalready.2.Hasthetrain_______(arrive),yet?3.Tome____never_______(beto)China.4.Thetwin______just_____(see)myfather.5.Thetwins____(see)myfatherjustnow.6.Manytallbuildings____________(build)inthepast5years.havehadarrivedhasbeentohasseensawhavebeenbuilt第五頁第六頁，共16頁。用法二：

for+段時間since+點時間since+句子（過去時）E.g.Katehaslivedherefor3years.Katehaslivedheresince3yearsago.KatehaslivedheresinceshecametoChina.表示過去某個時間開始的動作或存在的狀態，一直持續到現在并可能還將持續下去。動詞使用延續性動詞。常與for或since引導的時間連用第六頁第七頁，共16頁。常見非延續性動詞和延續性動詞的轉變arrive/come/gotodiebecomeaborrowLeave/movebuyopenjoinstart/beginfinish/endcatchacoldgetupgettoknowgetoutclosewakeupgotosleepbecomeinterestedinbein

bedeadhavekeepbeaway/beoutbeabein/amemberofbeopenbeonbeoverhaveacoldbeupknowbeoutbeclosedbeawakebeasleep/sleepbeinterestedin第七頁第八頁，共16頁。Exercises

Hisfatherhasdied.(for2years)Thefootballmatchhasbegun.(since9:00a.m)Thetwinshavejoinedthearmy.(sincetheyare18yearsold)Myteacherhasjust

leftNanjing.(for3days)Hisfatherhasbeendeadfor2years.Thefootballmatchhasbeenonsince9:00a.m.Thetwinshavebeensoldiers/beeninthearmysincetheyare18yearsold.MyteacherhasbeenawayfromNanjingfor3days第八頁第九頁，共16頁。重點句型:

Itis/hasbeen+段時間+since從句

段時間+haspassed+since從句

eg.他死了兩年了：Hediedtwoyearsago.Hehasbeendeadfortwoyears/sincetwoyearsagoItis/hasbeentwoyearssincehedied.Twoyearshaspassedsincehedied.

第九頁第十頁，共16頁。1.這本書我借了一個月了。Iborrowedthisbookamonthago.Itis/hasbeenamonthsinceIborrowedthebook.Ihavekeptthebookforamonth./sinceamonthago.AmonthhaspassedsinceIborrowedthebook.第十頁第十一頁，共16頁。Have/hasgoneto

have/hasbeento

have/hasbeeninhave/hasgoneto:已經去了或在途中，還沒有返回；have/hasbeento:曾今去過某地，現在已經回來了,后面可接表示“次數”的狀語;have/hasbeenin:表示某人“已在某地停留一段時間，現仍在那里”，其后常帶表示一段時間的狀語。第十一頁第十二頁，共16頁。ExercisesTom在哪兒？他去書店買書了。我在北京待了5年了。Jack去過上海兩次了-WhereisTom?-Hehasgonetothebookshoptobuysomebooks.IhavebeeninBeijingfor5years.JackhasbeentoShanghaitwice.第十二頁第十三頁，共16頁。Correcting

1.Ihaveborrowedthebookfor3months.2.Mybotherhasjoinedthearmysincehewas18.3.JackandTomhavelivedheresince5years.4.ThefilmhasbeenonsinceIhavecometothecinema.5.WhenhasMr.Licaughtabadcold?

havekepthasbeeninthearmy/beenasoldiersince5yearsago/for5yearscamedidcatch第十三頁第十四頁，共16頁。6.Tenyearshavepassedsincetheyg