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高中英语Unit2Healthy Eating课件新人教Grammar版必修本课件旨在介绍高中英语的相关内容,Unit2Healthy EatingGrammar包括名词性从句、介词关系代词、不定式作目的状语、动词不定式作后置定+语、情态动词以及虚拟语气等名词性从句1What isa NounClauseA nounclause isa groupof wordsthat functionsas a noun ina sentence.Itcan actas thesubject,object,or complement.2Examples
1.I dontknow whathe wants.
2.Whether weshould goor notis thequestion.3ImportanceNoun clauseshelp usexpress complexideas andadd depthto ourwritingand speaking.介词关系代词+1What isa Preposition+Relative PronounApreposition followedby arelative pronoun introduces anadjective clauseandconnects itto thenoun itmodifies.2Examples
1.The bookthat Imreading isvery interesting.
2.He isthe manwith whomI discussedthe project.3UsagePreposition+relative pronounhelps usprovide additionalinformation aboutthenounina conciseand clearmanner.不定式作目的状语1What isan2Examples3SignificanceInfinitive of
1.She wentto theUsing infinitivesofPurposeAn infinitiveof purposelibrary toborrow somepurpose helps us clarifyisused toexpress thebooks.the intentionbehind an
2.He studieshard topurposeor intentionaction andmakes ourgetgood grades.behind anaction.communication moreeffective.动词不定式作后置定语1DefinitionAn infinitiveused asa postmodifierto giveadditional informationaboutanoun.2Examples
1.The bookto readbefore bedis onthe shelf.
2.She boughta dressto wearto theparty.3ImportanceUsing infinitivesas postmodifiershelpsusprovide morecontext andspecificityto thenoun beingdescribed.情态动词What areModal VerbsExamplesModal verbsare auxiliaryverbs thatexpress
1.You shouldexercise regularlyfor goodattitudes,abilities,possibilities,and health.obligations.
2.He canspeak threelanguages fluently.Usage CommonModal VerbsModalverbs helpus conveynuances ofcan,could,may,might,must,shall,should,meaning andcreate politeor indirectwill,wouldspeech.虚拟语气Definition ExamplesUsage虚拟语气用于表示与事实相反、假虚拟语气帮助我们表达假设和愿望,
1.If Iwere rich,I would设、建议、愿望等情况使得说话更具表现力和情感travel theworld.
2.I wishI hadstudied harderforthe test.。