湖北省武汉为明学校人教版高中英语选修七Unit2Grammar（1）学案

RevisethePassiveVoice(1)(includingtheinfinitive)班级:姓名:小组:评价:【学习目标】RevisethePassiveVoice(includingtheinfinitive)【重点难点】Theuseofthepassiveinfinitive.【导学流程】基础感知复习常见的动词不定式的几种形式形式主动被动一般时进行时完成时完成进行时二、深入学习1.Itisanhonourformetobeaskedtospeakhere.2.SheaskedtobesenttoworkinHongKong.3.Hewantedthelettertobetypedatonce.4.TherobotistobetestedoutinClair’shouse.5.Areyougoingtothemeetingtobeheldnextweek?6.Shewastooyoungtobeassignedsuchwork.不定式有时还可以有完成时的被动式。1.Itisagoodthingforhimtohavebeencriticized.2.Hethoughtitanhonourtohavebeeninvitedtotheparty.3.Shewasthefirstwomantohavebeenelectedtosuchapost.结论：不定式由“to+do(动词原形)”构成,其否定形式是“nottodo”,不定式可以带宾语或状语构成不定式短语,在句子中作______、_____、_____、_____、_____、_____。不定式没有人称和数的变化,但有_____和_____的变化。注意：不定式的主动形式表被动1.在therebe结构中。Thereisalotofhomeworktodo.Thereisnotimetolose.2.在“…be+adj+todo”结构中。常用的形容词有easy,difficult,hard,impossible,nice,pleasant,light,heavy,interesting,important,expensive,cheap,fit,dangerous等。Heishardtoconvince.Heisimpossibletoworkwith.3.在“too…to…;enough…to…”结构中。Theproblemistoodifficulttoworkout.Thehouseisbigenoughtolivein.4.在“with+n.+todo”结构中。Withnothingtodo,helayinbed.

Withsomanyexercisestodo,Ican’tgotothecinema.5.当不定式的逻辑主语在句中出现时。Ihavealettertotypetoday.Doyouhaveanythingtosay?6.一些作表语用的不定式的主动形式表被动。IfeltIwastoblame.三、迁移运用1.Thedishesneed____________（wash）.2.Themailisintended__________.（send）3.Thewallisexpected_____________.(paint)4.Thehouseis_________.(sell)4.Thesearetheissues______________(discuss)tomorrow.5.Thenewdrugis___________(test)outon500patientsnextyear.