廣東省揭陽市第三中學人教版高中英語選修7教案unit2robots4

揭陽第三中學教案表課題Book7Unit2Robots課型Period4Grammar教學目標1.Targetlanguage目標語言a.重點詞匯和短語todo,tobedonebedoneb.重點句式tobedone2.Abilitygoals能力目標1ToarouseSs’interestinlearningaboutthepassivevoiceandtheinfinitives2ToimproveSs’grammar3.Learningabilitygoals學能目標1.ToarouseSs’interestinlearningabouttobedoneandbedone2.TodevelopSs’abilityofcooperation.重點難點Helpthestudentslearnaboutthepassivevoice教具準備Aputerandaprojector.課時安排TwoStep1Revision復習動詞不定式的主動被動結構

一般式進行式完成式主動todotobedoingtohavedone被動

1.Thedam_____bytheyear2012,willbenefitthewholecountry.A.beingpletedB.topleteC.pletedD.tobepleted2.Shetoldmethatherproposalneeded_____intoconsideration.A.totakeB.tobetakenC.tobetakingD.tohavetaken不定式的主動形式表示被動在“n／pron+be+adj+todo”結構中。常用的形容詞有easy,difficult,hard,impossible,nice,pleasant,light,heavy,(un)fit等。如：1.本文很好理解。2.他很好相處。3.這種水不宜喝。2.當不定式的邏輯主語在句中出現(xiàn)時。如：

Doyouhaveanythingtosay?(you是tosay的邏輯主語)3.一些作表語用的不定式的主動形式。常見的這類動詞有l(wèi)et(出租),rent,blame等。例如：

Thehouseistolet/torent．此房出租。

Ifeltlwastoblame.我感覺該受責備的是我。1_______fit,you’dbettertakeexerciseinthemorning,forthemorningairisfresh______.A.tokeep;tobebreathedB.keeping;tobreatheC.tokeep;tobreatheD.keeping;tobebreathedStep2、RevisethePassiveVoice主動語態(tài)（theactivevoice）被動語態(tài)（thepassivevoice）如：①Everyoneenjoysexcitingsports.(主動語態(tài))主動語態(tài)表示主語是動作的執(zhí)行者;②Excitingsportsareenjoyedbyeveryone.(被動語態(tài))被動語態(tài)表示主語是動作的承受者。通常只有及物動詞（組）才有被動語態(tài)，不及物動詞沒有。如：我的家鄉(xiāng)發(fā)生了很大的變化。不能說：Greatchangeshavebeentakenplaceinmyhometown.常見主被動時態(tài)變化一覽表

現(xiàn)在時過去時將來時一般式______given_________given__________進行式__________given_______________given

完成式_________given_________given___________Transformthefollowingintothepassivevoice.(把下列句子改為被動語態(tài)）Wearecleaningtheclassroom.Theclassroomisbeingcleanedbyus.2.Thestudentshaveplantedmanytreesinspring.Manytreeshavebeenplantedbystudentsinspring3.Beforeyoueback,wewillhavefinishedthebuilding.Beforeyoueback,thebuildingwillhavebeenfinished.根據(jù)括號內(nèi)的漢語提示完成下列句子。1.Thesechildren__________________(將受到很好的照料）inthekindergarten.2.Theclassroom___________________(由學生們打掃）everyday.3.Theproblem______________(正在被討論）inthemeetingroomnow.4.Manytreesandflowers_____________intheschoolyard（校園里.Step3、情態(tài)動詞的被動語態(tài)含有情態(tài)動詞的被動語態(tài)是由______________________構成的。E.g.Alltheworkshouldbefinishedtoday.所有工作必須今天完成。Step4、特殊的被動結構系動詞無被動（look,feel,smell,taste,stay,provekeep等）如：1）這種布料摸起來很軟。Thematerialfeelssoft.2)這些蘋果聞起來很香甜。Theseapplessmellsweet.2.表示主語特征或特點的動詞，如read,write,cut,sell,wash,open等，通常和一個副詞連用。如：1）這把書暢銷。Thebooksellswell.2)這把刀很快。Theknifecutswell.3.在beworthdoing,need/want/requiredoing(tobedone)結構中，其后的動名詞一定是用主動語態(tài)表示被動意義。例如:Thebookisworthreading.這種花每周要澆水兩次。Theflowerneedswateringtwiceaweek這個小孩需要照看。T