of:adj.多为描述主语的品质特征(kind/nice/friendly/wise/foolish等.)作主语Itiseasy_______hertolearnEnglishwell.Itisclever________youtosolvetheproblem.offor2、Ittakessb.sometimetodosth.Ittakesmethreehourstofinishthehomeworkeveryday.作主语我每天花去三个小时完成家庭作业。Ispendthreehoursfinishingthehomeworkeveryday.3、Itis+n.(forsb)todosth.ItismypleasuretohelpyouwithyourEnglish.作主语4、用在谚语中Toseeistobelieve.Tosayiseasy,buttodoishard.作主语1、Itisnecessary______ustolearntowait.(of/for)2、Itwascareless______metobreakthecup.(of/for)3、Ittookthem1,000yuan_________thistable.(buy)4、Itismypleasure_________theboxforyou.(carry)tobuyforoftocarry练习1、动词+todosth.常用动词有:want/wish/like/wouldlike/hope/plan/try/decide/learn/need/agree/begin/start/forget/remember/manage/seem/fail/manage/promise等1、Ihopetofinishittomorrow.2、Sheplanstogoandteachinthecountry.作宾语
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