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1、現(xiàn)在完成時(shí)態(tài)Presentperfecttense1.現(xiàn)在完成時(shí)態(tài)的各種句型.1)肯定式：主語(yǔ)+have/has+V-ed(動(dòng)詞過(guò)去分詞）+其他.V-ed構(gòu)成：①一般直接在詞尾加-ed.lookedvisited②以不發(fā)音e結(jié)尾的，直接加-ed.livedhoped③末尾只有一個(gè)輔音字母的重讀閉音節(jié),雙寫輔音字母,再加-ed.stopped④輔音字母+y結(jié)尾的，將y改I,再加-ed.studiedcarried⑤不規(guī)則，hadread注意：動(dòng)詞過(guò)去式與過(guò)去分詞的區(qū)別.Languageinuse寫出下列動(dòng)詞式和過(guò)去分詞。動(dòng)詞過(guò)去式過(guò)去分詞動(dòng)詞過(guò)去式過(guò)去分詞dobewritegocomegive
2、takerunknowsingeatleavebuyseespeakswimdrivefindreadmeetdrawlie(躺，位于）showgrow寫出下列動(dòng)詞的過(guò)去式和過(guò)去分詞.動(dòng)詞過(guò)去式過(guò)去分詞動(dòng)詞過(guò)去式過(guò)去分詞dodiddonebewas/werebeenwritewrotewrittengowentgonecomecamecomegivegavegiventaketooktakenrunranrunknowknewknownsingsangsungeatateeatenleaveleftleftbuyboughtboughtseesawseenspeakspokespokensw
3、imswamswumdrivedrovedrivenfindfoundfoundreadreadreadmeetmetmetdrawdrewdrawnlie(躺，位于）laylainshowshowedshowngrowgrewgrown2).否定式：主語(yǔ)+havenot/hasnot+V-ed+其他.3).疑問(wèn)式：Have/Has+主語(yǔ)+V-ed+其他？肯定回答：Yes,主語(yǔ)+have/has.否定回答：No,主語(yǔ)+haven’t/hasn’t.例如：Theyhavewatchedthatmovie.Theyhaven’twatchedthatmovie.Havetheywatchedth
4、atmovie?練習(xí)：①Tomhaslefthisschool.否定式:疑問(wèn)式：②Hehasfinishedhishomework.否定式：疑問(wèn)式：Tomhasn’tlefthisschool.HasTomlefthisschool?Hehasn’tfinishedhishomeworkHashefinishedhishomework?2.現(xiàn)在完成時(shí)態(tài)的用法1）表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果.它強(qiáng)調(diào)的是現(xiàn)在的情況，而不是過(guò)去的動(dòng)作，所以句中不能有過(guò)去時(shí)間，像yesterday,lastweek,in1998,twodaysago等等.句中常會(huì)出現(xiàn)不明確的時(shí)間：already(已經(jīng)）
5、,just(剛剛),yet（已經(jīng)，還）,recently（最近),lately(最近），never（從來(lái)沒(méi)有）,ever（曾經(jīng)），before(以前）等。注意:yet常用疑問(wèn)句或否定句末尾。例如:①我們已經(jīng)掃了教室.Wehavealreadycleanedtheclassroom.②他剛剛來(lái)。Hehasjustcome.③我從來(lái)都沒(méi)有參觀過(guò)北京.IhavenevervisitedBeijing.④我曾經(jīng)見(jiàn)過(guò)那個(gè)學(xué)生.Ihaveeverseenthatstudent.⑤我還沒(méi)有完成我的作業(yè).Ihaven’tfinishedmyhomeworkyet.㈠用動(dòng)詞適當(dāng)形式填空。1.I___alrea
6、dy_____thefilm.I____itlastweek.(see)2.WhereisLiMing?He________(go)totheteacher’soffice.3.He_____(go)toschoolonfooteveryday.4.____you_____(find)yourbookyet?5.Look.Themonkey_________(climb)thetree.6.____you_____(meet)Tomlastweek?7._____theyever______(visit)toyourschool?8.I___(be)illyesterday.9.Tom___
7、____(read)thisbooktwice.㈡用yet,already,never,ever填空.1.Ihave___seenhimbefore.SoIhavenoideaabouthim.2.Hasthebusleft____?Yes,ithas_____left.3.Haveyou___seenthefilm?No,Ihave_____seenit.4.Ihaven’thadbreakfast____
