2017秋人教新目标（浙江专版）九年级英语习题：Unit 10 单元语法小专题.doc

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1、单元语法小专题(GrammarFocus)语法精讲besupposedto的用法1．besupposedto意为“应该、理应、被期望”，多用来表示劝告、建议、义务、责任等，相当于should。besupposedto的时态、人称和数等的变化都在be动词上体现，其中的to是动词不定式符号，后面接动词原形。如：Parentsaresupposedtoasktheirchildrentoknowsomegoodmanners.父母应该让孩子们知道一些好的礼仪。You'resupposedtostartworkat8：3

2、0everymorning.你应该每天早晨8点半开始工作。2．besupposedto的否定形式是benotsupposedto，相当于shouldnot或benotallowedto，意为“不应该，不准、不得”。如：Wearenotsupposedtoplayfootballinthestreet.我们不应该在街上踢足球。3．besupposedto的一般疑问句是将be的相应形式置于主语前，特殊疑问句是在一般疑问句前加上相应的疑问词。如：[来源:学优高考网]Isshesupposedtoarriveatthet

3、rainstationatthreeo'clockintheafternoon?她应该在下午三点钟到火车站吗？4．besupposedtohavedonesth.表示“本应该做某事但没做”。如：He'ssupposedtohavefinishedtheworksofar.到目前为止，他本应该完成这项工作。You'resupposedtohavehandedinyourhomework.你本该把作业交上来了。5．如果表达“过去某时应该(不应该)做”时，用was(wasn't)/were(weren't)suppos

4、edto，相当于should(shouldn't)have＋动词的过去分词。如：[来源:学优高考网]Iwassupposedtofinishthetaskat4：30，butIfinisheditat5：00.我应该在四点半完成任务，却在五点钟才完成。【拓展】(1)suppose作动词有“猜想”的意思，supposesb.todosth.意为“猜想某人去做某事”。如：Isupposedhimtostayathome.我猜他待在家里。(2)suppose后面也可接that从句。当主句的主语是第一人称I或we，且主句

5、谓语是一般现在时态时，从句的否定要转移到主句上。如：Idon'tsupposetheywillsaysorrytoher.我猜想他们不会对她说对不起。(3)suppose可用于简略答语中，用so代替一个肯定的宾语从句；用not代替一个否定的宾语从句。如：—Doyousupposehe'llfailtocatchthetrain?你认为他会错过火车吗？—Isupposeso./Isupposenot.(＝Idon'tsupposeso.)我想会的。/我想不会。语法精练Ⅰ.用suppose的适当形式填空。1．Isup

6、posesheisnotyetthirtyyearsold.2．Youweresupposedtobehereat2：00.Ihavebeenwaitingforyouforalmostanhour!3．Isupposethatmyfatherwillbebackinhalfanhour.4．Youarenotsupposedtotroubleheragain.5．—Isitgoingtorainthisafternoon?[来源:学优高考网]—Yes，Isupposeso.Ⅱ.按要求完成下列句子，每空一词。6．

7、Sheshouldarrivehereat7：00.(改为同义句)Sheissupposedtoarrivehereat7：00.7．Youaresupposedtohelphimout.(改为否定句)Youarenotsupposedtohelphimout.8．Isupposehewillbebackinanhour.(改为否定句)Idon'tsupposehewillbebackinanhour.9．Studentsaresupposedtogreet__the__teacherwhenclassesbeg

8、ininChina.(对画线部分提问)WhatarestudentssupposedtodowhenclassesbegininChina?10．TheyaresupposedtoinviteMiketothebirthdaypartynext__Sunday．(对画线部分提问)WhenaretheysupposedtoinviteMiketothebirthdaypar