六上英語(yǔ)教材Grammartime譯林7

Unit7ProtecttheEarth第2課時(shí)Grammartime知識(shí)點(diǎn)一usesth.todosth.【知識(shí)精講】usesth.todosth.用某物做某事，todosth.是不定式，作目的狀語(yǔ)。【經(jīng)典例題】Mydadusessomepaper__________(make)abagforme.【名師解析】句意：我爸爸用一些紙給我做書包。to后面加動(dòng)詞原形，構(gòu)成不定式，表示目的。所以答案為tomake。知識(shí)點(diǎn)二情態(tài)動(dòng)詞should【知識(shí)精講】情態(tài)動(dòng)詞should無(wú)人稱和數(shù)的變化；不能單獨(dú)使用，必須與其后的動(dòng)詞原形構(gòu)成謂語(yǔ)。should,表示應(yīng)該，用于勸告、建議和命令。肯定句：shouldhelpherbecausesheisintrouble.2.Youshouldgotoclassrightaway.shouldnot=shouldn’t不應(yīng)該Youshouldn’tleavetheroomnow.一般疑問(wèn)句：Should+主語(yǔ)+動(dòng)詞原形+其他？答語(yǔ)：Yes,代詞+should./No,代詞+shouldn’t.ShouldIopenthewindow?Yes,youshould./No,youshouldn’t.特殊疑問(wèn)句：特殊疑問(wèn)詞+should+主語(yǔ)+動(dòng)詞原形+其他？WhatshouldTomdo?【經(jīng)典例題】1.You____usetoomanyplasticbags.A.

should

B.

shouldn't

C.

can2.Mygrandpashouldnot________(cut)downthetreesonthehill.【名師解析】1.句意：你不應(yīng)該用太多的塑料袋。不應(yīng)該shouldn't，所以選B。2.情態(tài)動(dòng)詞should無(wú)人稱和數(shù)的變化,必須與其后的動(dòng)詞原形構(gòu)成謂語(yǔ)，所以填cut。課時(shí)小練一、單項(xiàng)選擇()1.Weusewood_______someusefulthings.A.makeB.makingC.tomake()2.Weshould_____inthelibrary.A.keepquietB.keepingquietC.keptquiet()3.Weshouldn’t__________inthezoo.A.litterB.letterC.littering二、用所給詞的適當(dāng)形式填空1.Myfrienduseswood__________(make)aplaneforme.2.Heshould_______(use)theglassbottles.3.Weshouldnot________(litter)inthestreet.三、連詞成句。1.we,reuse,should,water(.)_________________________________________________________________2.they,plastic,use,to,bags,make(.)_________________________________________________________________四、完成句子，每空一詞。1.我們不應(yīng)該砍伐太多的樹。We________________________toomanytrees.2.我們用木頭制成桌子。We_____________________________tables.3.我們應(yīng)該節(jié)約能源,不能浪費(fèi)。Weshould___________________，andwecan’t_________it.五、句型轉(zhuǎn)換1.Weshouldusetoomanyplasticbottles.〔變?yōu)榉裾J(rèn)句〕________________________________2.Weshouldsavewater.〔改為同義句〕We________________water.3.Shouldwereuseandsavewater？〔作肯定答復(fù)〕______________________________4.Weshouldusepaperbags.〔對(duì)劃線局部提問(wèn)〕______________________________六、補(bǔ)全對(duì)話A.WhatcanIdo?B.It'saboutEarthDay.C.Icandrawsomepicturesontheposter.D.Andtheyshouldstopcuttingdowntrees.E.OnEarthDay,peopleworktogethertokeeptheEarthcleanandhealthy.David:Whatareyoudoing,Simon?Simon:I'mmakingaposter.________David:WhatisEarthDay?Simon:________David:That'swonderful!________Simon:Wecanmakeapostertogether.WecantellpeopletosavetheEarth.4.________David:Yes!________Simon:Goodidea!Wheredoweputthisposter?David:Wecanputitintheclassroom.EverystudentcanseeitonEarthDay.七、閱讀短文，選擇正確答案。

Thisistheearth.Thegreenpartisland.Thebluepartissea.Thewhitepartisclouds.Ourearthisverybeautifulandinteresting.Manyyearsago,theearthisveryclean.Butnowadaysthereismuchpollutionontheearth.Peoplearepollutingtheland,thewaterandtheair.Peoplemuststopdoingthat.Wemustprotecttheearth.〔1〕The

partislandontheearth.〔2〕Thewhitepartis.〔3〕Ourearthisvery.〔4〕Butnowadaysthereismuchpollutiononthe.〔5〕Peoplearepolluting.A.thelandandtheair

B.thewaterandtheearth

C.theairandtheearth【參考答案】一、CAA二、1.tomake2.use3.litter三、連詞成句。1.Weshouldreusewater.2.Theyuseplastictomakebags.四、完成句子，每空一詞。1.shouldn’tcutdown2.usewoo