Unit+7+Section+A（Grammar+Focus-4c）课件2024-2025学年人教版英语九年级全册.pptx

Unit7Teenagersshouldbeallowedtochoosetheirownclothes.SectionA（GF-4c)

学习目标1.Tolearntheexpressionof“should+beallowedto”.2.Towellexpressandusethesentencestructure“should+beallowedto”tomakesentences.

ReviewTalkwithyourclassmatesaboutyourschoolrulesbyusing“studentsarenotallowedto…”.

Don’tarrivelateforschool.=Studentsarenotallowedtoarrivelateforschool.

Don’truninthehallways.=Studentsarenotallowedtoruninthehallways.

SchoolrulesDon’teatintheclassroom.=Studentsarenotallowedtoeatintheclassroom.

Schoolrules=Studentsarenotallowedtosleepinclass.Don’tsleepinclass.

GrammarFocusIdontthink16-year-oldsshouldbeallowedtodrive.Iagree.Theyarentseriousenough.Doyouthinkteenagersshouldbeencouragedtomaketheirowndecisions?No,Idontagreewiththis.Teenagersaretooyoungtomaketheirowndecisions.Teenagersshouldnotbeallowedtohavepart-timejobs.Idisagree.Theycanlearnalotfromworking.Doyouthinkwemaybeallowedtotakephotosifwedontuseaflash?Ifyoudontuseaflash,thenitmaybeokay.同意（某人的意见、观点等）太......而不能......向......学到......

含有情态动词的被动语态常用的情态动词有：can,could(能；会),may;might(可以)must(必须),should(应该),will;would(愿意)haveto(必须；不得不),hadbetter(最好)

1.?将含有情态动词的主动语态变为被动语态的方法：1)?将主动语态的宾语变成被动语态的主语；2)?将“情态动词?+?动词原形”变成“情态动词?+be+?及物动词的过去分词”。Hisbedroomshouldbecleanedinthemorning.Heshouldcleanhisbedroominthemorning.

1.含有情态动词should的被动语态结构式：should+be+及物动词的过去分词。(1)肯定句结构为：主语+should+be+动词过去分词.eg:你应该自己完成作业。Yourhomeworkshouldbefinishedbyyourself.(2)否定结构为：主语+should+not+be+动词过去分词.eg：不应该允许青少年晚上外出。Teenagersshouldnotbeallowedtogooutatnight.含有情态动词should的被动语态

(3)一般疑问句结构为：Should+主语+be+动词过去分词?回答：Yes,主语+should./No,主语+shouldn’t.eg:这些小树应该每天浇水吗？Shouldtheseyoungtreesbewateredeveryday?Yes,theyshould./No,theyshouldn’t.对，应该。/不，不应该。(4)特殊疑问句结构为：疑问词+一般疑问句？eg：应该允