資源描述：
《英語人教版八年級下冊Unit 8 grammar focus.ppt》由會員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、Unit8HaveyoureadTreasureIslandyet?他每天都來。他昨天來了.他已經(jīng)來了.他明天來.漢語借助詞匯手段而非詞的形態(tài)變化來表示動作的發(fā)生,而英語主要通過謂語動詞時(shí)態(tài)變化來表現(xiàn).任何句子都要先注意時(shí)態(tài).Hecameyesterday.Hehascome.Hewillcometomorrow.Hecomeseveryday.語態(tài)時(shí)態(tài)主動一般現(xiàn)在時(shí)一般過去時(shí)一般將來時(shí).過去將來時(shí)現(xiàn)在完成時(shí)過去完成時(shí)現(xiàn)在進(jìn)行時(shí)過去進(jìn)行時(shí)現(xiàn)在完成進(jìn)行時(shí)v./v-s/esV-edwill+vwould+v.had+donehave/has+donehave/hasbee
2、n+V-ingam/is/are+V-ingwas/were+V-ing導(dǎo)入之一：Howisyourdailylifeasahighschoolstudent?(using3sentencesormore,使用實(shí)意動詞和系動詞,注意動詞形式變化)2.用法:1)經(jīng)常性或習(xí)慣性的動作，常與表示頻率的時(shí)間狀語連用，如often,usually,always,everyday/year,sometimes,onSunday等。2)表示不受時(shí)間限制的科學(xué)事實(shí)或客觀真理。Theearthmovesaroundthesun.IstudyhardeverydayandIgetalon
3、gwellwithmyclassmates,butsometimesImissmyfamilies.一、一般現(xiàn)在時(shí)(TheSimplePresenttense)1.結(jié)構(gòu):do/doesExample:I_______(spend)mychildhoodhappilywithmyoldfriends.Wealways________(play)footballandbasketballtogetherandwe_______(not)havesomuchhomeworktodoasnow.We_______(be)happyatthattime.spentplayedd
4、idn’twere導(dǎo)入之二：Howdidyouspendyourchildhood?二、一般過去時(shí)(TheSimplePastTense)1.結(jié)構(gòu):謂動用動詞過去式(V-ed)2.用法:在過去時(shí)間里所發(fā)生的動作或存在的狀態(tài)。常與表示過去時(shí)間的時(shí)間狀語連用。如yesterday,lastweek,anhourago,in1982等。examples:HewasinBeijingsomeyearsago.ShetraveledinEuropelastyear.WhenIwasatcollage,Iwrotehomeonceaweek.Hewettotown,boughts
5、omebooksandvisitedhisdaughterlastSunday.Hesaidhewouldgoforaholidaywhenhe finishedhiswork.猶如picture導(dǎo)入之三：Howwillyouspendyourwinterholiday?Iwill…I’mgoingto…三.一般將來時(shí).表示將來時(shí)的四種形式①will/shall+動詞原形②begoingtodo③beabouttodo④betodobegoingto有很強(qiáng)的計(jì)劃性，打算干什么，而will表示談話時(shí)臨時(shí)決定的意圖，具有臨時(shí)性和偶然性。①----Thetelephonei
6、sringing.----I_____answerit.willB.amgoingtoC.amtoD.amaboutto②---Alice,whydidn’tyoucomeyesterday?---I_____,butIhadanunexpectedvisitor.A.hadB.wouldC.wasgoingtoD.didbegoingto可用來表達(dá)某種跡象要發(fā)生的事。而will不能表示Lookattheclouds!It__________rain.isgoingto√√導(dǎo)入之五：Whataretheydoingnow?Theyareplayingbasketbal
7、l.五.現(xiàn)在進(jìn)行時(shí)1．表示說話時(shí)正在進(jìn)行而尚未完成的動作或狀態(tài)①Idon’treallyworkhere.I’mhelpinguntilthenewsecretarycomes.②Selectingamobilephoneforpersonaluseisnoeasytaskbecausetechnology___sorapidly.A.willhavechangedB.haschangedC.ischangingD.willchangebe(am,are,is)+doing√六.過去進(jìn)行時(shí)(ThePastContinuousTense)1.結(jié)構(gòu)：wa
