人教版九年级英语下册（山西）习题：Unit10 3单元语法小专题.doc

单元语法小专题(GrammarFocus)语法精讲suppose的用法小结suppose作动词其意思是“猜想；设想；认为；假设”其常见用法如下：1．besupposedtodosth.意为“被期望做某事；应该做某事”to是不定式符号后接动词原形。besupposedto常用来表示劝告、建议、告知义务或责任等相当于should。如：Heissupposedtoarriveontime.他应该准时到达。Youaresupposedtoasktheteacherifyouwanttoleavetheclassroom.如果你想离开教室你应该问问老师。Youaresupposedtoshakehands.你应该去握手。2．在口语中常用否定结构benotsupposedtodosth.意为“不被允许做某事；不应该做某事”相当于shouldn't。如：Youarenotsupposedtosmokeonthebus.(＝Youshouldn'tsmokeonthebus.)你不应该在公共汽车上吸烟。Wearenotsupposedtoplayfootballinthestreet.我们不应该在街上踢足球。3．besupposedtohavedonesth.意为“本应该做某事而没有做”。如：Youaresupposedtohavehandedinyourhomework.你本应该把作业交上来了。4．“supposed＋that从句”变为否定句时否定词应该前移。类似的词还有thinkbelieve等。如：Idon'tsupposehewilltellyouaboutit.我认为他不会告诉你这件事。Idon'tthinkhewillcome.我想他不会来了。5．如果表达“过去某时应该(不应该)做”时用was(wasn't)/were(weren't)supposedto相当于“should(shouldn't)have＋动词的过去分词”。如：Iwassupposedtoarriveat7：00butIarrivedat8：00.我应该七点钟到却八点钟才到。语法精练Ⅰ.用WhatareyousupposedtodoIwassupposedto或You'resupposedto填空。1.What_are_you_supposed_to_dowhenyouarelateforschool?2.You're_supposed_towashyourhandsbeforeameal.3.What_are_you_supposed_to_dowhenyouareinvitedforaChinesedinner?4.I_was_supposed_tobowwhenImetsomeoneforthefirsttimeinKorea.5.What_are_you_supposed_to_dowhenyouhaveabowlofriceinChina?Ⅱ.用suppose的适当形式填空。6．Isupposethatsheisnotyetthirtyyearsold.7．Youweresupposedtobehereat2：00.Ihavebeenwaitingforyouforalmostanhour!8．Isupposethatmyfatherwillbebackinhalfanhour.9．Youarenotsupposedtotroubleheragain.10．—Isitgoingtorainthisafternoon?—YesIsupposeso.Ⅲ.按要求完成下列句子每空一词。11．Sheshouldarrivehereat7：00.(改为同义句)Sheissupposedtoarrivehereat7：00.12．Youaresupposedtohelphimout.(改为否定句)Youarenotsupposedtohelphimout.13．Isupposehewillbebackinanhour.(改为否定句)Idon'tsupposehewillbebackinanhour.14．Studentsaresupposedtogreet_the_