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1、精品好文檔,推薦學(xué)習(xí)交流現(xiàn)在完成時(shí)導(dǎo)學(xué)案石橋子初中八年級(jí)Ourslogan:Wherethereisawill,thereisaway.(有志者,事竟成.)1、知識(shí)目標(biāo):熟記動(dòng)詞的過(guò)去分詞和現(xiàn)在完成時(shí)(一)的構(gòu)成形式。2、能力1)能用現(xiàn)在完成時(shí)描寫(xiě)自己的經(jīng)歷2)能夠正確使用already,just,yet能夠區(qū)分havegoneto和havebeento【復(fù)習(xí)重點(diǎn)】一、現(xiàn)在完成時(shí)謂語(yǔ)動(dòng)詞的構(gòu)成:二、能夠?qū)ΜF(xiàn)在完成時(shí)進(jìn)行句式變換【復(fù)習(xí)難點(diǎn)】havebeento與havegoneto的區(qū)別【課前延伸】做一做復(fù)習(xí)動(dòng)詞的過(guò)去式和過(guò)去分詞,寫(xiě)出下列單詞的過(guò)去式和過(guò)去分詞:1.want2.vi
2、sit3.enter4.live5.love6.hope7.study8.marry9.carry10.stop11.shop12.have13.send14.be15.go16.write17.make18.hear19.do20.read動(dòng)詞過(guò)去分詞的構(gòu)成:?一,規(guī)則變化,在末尾加ed,1,直接在末尾加ed,如visit—visited2,以e結(jié)尾的,加d,如live—lived3,以輔音字母加y結(jié)尾的,把y變i,加ed,如study—studiedcarry—carried4,以重讀閉音節(jié)結(jié)尾,并且末尾只有一個(gè)輔音字母的,雙寫(xiě)輔音字母,再加ed如stop—stoppeddro
3、p--dropped二,不規(guī)則變化的。如get—gotmake—madewrite—writtenbe—beensee—seenhear—heard等試一試復(fù)習(xí)現(xiàn)在完成時(shí)的構(gòu)成?,F(xiàn)在完成時(shí):1.構(gòu)成:肯定句:助動(dòng)詞或+否定句:助動(dòng)詞have/has后加not,可縮寫(xiě)haven’t/hasn’t一般疑問(wèn)句:助動(dòng)詞have/has提前Ibavefinished(finish)homeworkalready.Hasheseen(see)thefilmbefore?Wehaven’tbeentotheGreatWall.2.用法:(1)表示過(guò)去發(fā)生或已完成的動(dòng)作對(duì)現(xiàn)在造成的或。常連用的時(shí)間
4、狀語(yǔ)有:,,,,,等。(2)你能說(shuō)出already和yet的用法有什么不同嗎?a如果肯定句中含有already,在變成否定句或疑問(wèn)句時(shí),要把句中的already轉(zhuǎn)換成______.b.already多用于現(xiàn)在完成時(shí)肯定句的句中或______;yet多用于現(xiàn)在完成時(shí)否定句或疑問(wèn)句_______。看下面兩個(gè)題,注意:句中already和yet不同用法1.Ihaveseenthefilmalready.(變?yōu)榉穸ň?Ihaven’tseenthefilmyet.2.Ihavealreadyfinishedmyhomework.(變?yōu)橐话阋蓡?wèn)句)Haveyoufinishedyourhom
5、eworkyet?【課內(nèi)探究】【小組合作求共贏】合作探究一學(xué)習(xí)現(xiàn)在完成時(shí)的第一種用法,做下列練習(xí)題一、用動(dòng)詞的適當(dāng)形式填空:1.Scientists___________(discover)manygalaxiesintheuniversealready.2.He__________________(notfinish)hishomeworkyet.3.We_________never_________(see)thisfilmbefore.4.Tony________just_________(make)amodelofthespacestation.僅供學(xué)習(xí)與交流,如有侵權(quán)請(qǐng)聯(lián)
6、系網(wǎng)站刪除謝謝3精品好文檔,推薦學(xué)習(xí)交流5.Sally________________(notvisit)Chinabefore.6._______thespacecraft__________(reach)Marsyet?課堂鞏固我能行鞏固本課內(nèi)容二,句型轉(zhuǎn)換1.I’vealreadymadeamodelofthespacecraft.(改為否定句)I_____________amodelofthespacecraft________.2.They’vebeentoMarsalready.(改為一般疑問(wèn)句)_______they______toMars_______?3.Itha
7、stakenseveralmonthstogettoMars.(改為一般疑問(wèn)句)_______________________ittakentoMars?4.on,discovered,yet,life,they,Mars,haven’t.(連詞成句)————————————————————.三,Canyouchoose“beento”or”goneto”?1.Haveyouever______theGreatWall?2.Mymotherisn’tathome,sh