初中八年級英語課件GrammarSimplepasttens

Grammar:Simplepasttenseandpresentperfecttense4A級景區(qū)What'sthis?Itisa4Ascenicspotnow.1.Iheardthenewsyesterday.我昨天聽說了這條新聞。2.Ihave

heardthenews.

我已經(jīng)聽說過這條新聞。一般過去時現(xiàn)在完成時What'sthis?1.Theystayedinthehoteltwoweeksago.

他們兩周前待在旅館里。2.Theyhavestayedinthehotelfortwoweeks.他們已經(jīng)在旅館里待了兩周了。一般過去時現(xiàn)在完成時Words&phrasesrevewThewaterwasclean.past過去Words&phrasesrevewThewaterisdirty.now現(xiàn)在一般過去時含義：過去某個時間里發(fā)生的動作或狀態(tài)。

e.g.DanielwenttoBeijingtwoyearsago.Danielboughtanewcomputerlastmonth.丹尼爾兩年前去的北京。丹尼爾上個月買了一臺新電腦。Words&phrasesrevewThewaterhasbecomedirty.pastnow①動作發(fā)生在過去，持續(xù)到現(xiàn)在。②動作發(fā)生在過去，對現(xiàn)在有影響，有結(jié)果。③動作一直到現(xiàn)在，發(fā)生了很多次.現(xiàn)在完成時含義：Danielhaslivedhere

fortwoyears.丹尼爾已經(jīng)在這里住了兩年了。（一直在）Danielhasboughtanewcomputer.丹尼爾買了一臺新電腦。（現(xiàn)在有電腦）MrWuhasbeentoCanada

twice.吳老師去過兩次加拿大。（不止一次）時間軸pastnowfuture一般過去時一般現(xiàn)在時一般將來時現(xiàn)在完成時yesterday昨天...ago…之前3.lastmonth上月4.theotherday那天5.justnow剛才6.in+年在…年……一般過去時的時間狀語for+時間持續(xù)了…時間once，twice...一次，兩次等次數(shù)since+句子自從yet/already然而/已經(jīng)ever,never曾經(jīng)，從不just剛剛before以前……現(xiàn)在完成時的時間狀語1.大多數(shù)動詞：+edTheystayedinthehoteltwoweeksago.2.特殊動詞：DanielwenttoBeijingtwoyearsago.3.be用was/wereThewaterwasclean.

動詞（過去式）變化規(guī)則將下列動詞變?yōu)檫^去式形式1.相信believe2.投票vote3.測試test4.保護(hù)protect5.沖走wash6.討論discuss7.變成become8.是is1.believed2.voted3.tested4.protected5.washed6.discussed7.became8.was1.大多數(shù)動詞：have/has+動詞edDanielhaslivedhere

fortwoyears.2.特殊動詞：Danielhasboughtanewcomputer.3.be用have/hasbeenMrWuhasbeentoCanada

twice.

動詞（過去分詞）變化規(guī)則將下列動詞變?yōu)檫^去分詞形式1.相信believe2.投票vote3.測試test4.保護(hù)protect5.沖走wash6.討論discuss7.變成become8.是is1.believed2.voted3.tested4.protected5.washed6.discussed7.become8.beenLookatthefollowingsentencesinourbook.1.DidyouhearaboutthefireataschoolintheUKlastweek?(八上U8)2.Look,thisprogrammebegananhourago.(P34)3.Haveyounoticedthe“Tour”iconatthetopofthepage?(P36)4.Ithasbeenfamousforitstheatressincetheearlytwentiethcentury.(P37)一般過去時一般過去時現(xiàn)在完成時現(xiàn)在完成時TorFquestions.goReady?1.Ihavevisitedyourschoolthreedaysago.2.Ihavegoneshoppingyesterdaymorning.3.Iworkedheresince2017.FFF小測試visitedclimbedHavetriedhavelearnthavevisitedhaveclimbedDidtriedlearntAhavejustfinishedfinishedwrotehasalreadywrittenwashavenotbeenhavelivedlivedBbebuyreadreturnseeshowSaturday,15MarchHaveyoueverdreamtoftravellingaroundtheworldwithoutapassport?Yes,youcanrealizeyourdreambytakinganonlinetour.YesterdayDaniel(1)________meanonlinetouroftheUSA.I(2)_____never_____somanywonderfulpictruesbefore.showedhaveseenseeDshowseesawseenplacesofinterestLastweek,I(3)_______abookabouttheplacesofinterestintheUSA.I(4)_________20pagesalready.It’sreallyinteresting.Mydad(5)_____just________fromtheUSA,butI(6)_____never_____there.IhopeIcanvisittheUSAsomeday.bebuyreadreturnseeshowbeenboughthavereadhasret