高一英语必修二Unit1语法课件

Unit1GrammarCoursewareforCompulsoryEnglishi目录nominalclauseAdverbialclauseAttributiveclauseSubjunctivemoodInvertedsentenceemphasizedpatternOmittingsentencepatternsnominalclause010102名词性从句在句子中充当名词功能的从句，可以作为主语、宾语、表语或同位语。包括主语从句、宾语从句、表语从句和同位语从句。Definition主语从句：在句子中充当主语的从句，通常放在句首。宾语从句：在句子中充当宾语的从句，通常放在动词或介词后面。同位语从句：在句子中充当同位语的从句，通常放在名词后面，对名词进行补充说明。表语从句：在句子中充当表语的从句，通常放在系动词后面。根据从句在句子中的功能和位置，可以分为四大类：主语从句、宾语从句、表语从句和同位语从句。Classification主语从句宾语从句可以直接跟在动词或介词后面，也可以用形式主语it来代替，将宾语从句放在句末。表语从句通常紧跟在系动词后面，表达主语的性质或状态。常用it作为形式主语，将主语从句放在句末，以保持句子平衡。同位语从句通常紧跟在名词后面，对名词进行补充说明，解释名词的具体内容。Formation主语从句用来表达句子中的主语，常见于复合句中。表语从句用来表达句子中的表语，常见于复合句中。宾语从句用来表达句子中的宾语，常见于复合句中。同位语从句用来对名词进行补充说明，解释名词的具体内容，常见于复合句中。UsesAdverbialclause02Itusuallybeginswithasubordinateconjunction,suchas"when","because","if",etc.Adverbialclauseisaclausethatfunctionsasanadverbinasentence,modifyingorclarifyingthemeaningofthemainclause.DefinitionTimeClausesTheseclausesindicateatimerelationshipbetweenthemainclauseandthesubordinateclause,suchas"WhenIwasyoung,Ilikedtoplay."ReasonClausesTheseclausesprovidethereasonfortheactionorstateinthemainclause,suchas"Hewon'tcomebecauseheisill."ConditionClausesTheseclausesexpressaconditionthatmustbemetfortheactionorstateinthemainclausetooccur,suchas"Ifyoustudyhard,youwillpasstheexam."TypesofAdverbialClausesPurposeClausesTheseclausesindicatethepurposeforwhichanactionisdone,suchas"Shestudiedhardtopasstheexam."ConcessionClausesTheseclausesintroduceafactthatcontrastswiththemainclause,suchas"Althoughheispoor,heishappy."TypesofAdverbialClausesAdverbialclausescanbeusedtoaddmoreinformationaboutasituationorevent,makingthesentencemoredetailedandinformative.AddingInformationAdverbialclausescanbeusedtoclarifythemeaningofamainclausebyprovidingadditionalcontextorexplanation.ClarifyingMeaningAdverbialclausescanbeusedtoemphasizetheimportanceofaparticularactionoreventbyplacingitwithinalargercontextorsituation.EmphasizingImportanceUsesofAdverbialClausesAttributiveclause03Attributiveclauseisadependentclausethatmodifiesanounorpronounbyprovidingadditionalinformationaboutit.Italwaysfollowsthemodifiednounorpronounandisintroducedbyacomma.Attributiveclausecanbeclassifiedintotwotypes:restrictiveandnon-restrictive.Restrictiveclausesprovideessentialinformationaboutthemodifiednounorpronoun,whilenon-restrictiveclausesprovideadditionalinformationthatisnotessential.DefinitionAnattributiveclauseusuallystartswithacomma,followedbyafiniteornon-finiteclausethatmodifiesanounorpronoun.Theclausecanbeintroducedbyarelativepronoun(who,which,that)orapreposition(of,with,without).Theclausecanendwithacomma,aperiod,oracommafollowedbyacoordinatingconjunction(and,but,or).StructureofanAttributiveClause01Attributiveclausesareusedtoprovidemorespecificinformationaboutapersonorthing.02Theycanmodifynounsorpronounsandareoftenusedtoavoidredundancyorclarifythemeaningofthemodifiednounorpronoun.03Attributiveclausescanalsobeusedtoaddemphasisortocreateaspecificeffectinwriting.UsageofAttributiveClausesSubjunctivemood04用于表示与实际情况相反的情况，或者表示主观愿望、假设、建议等。与现在事实相反、与过去事实相反和与将来事实相反。虚拟语气虚拟语气在英语中主要有三种形式Definition01与现在事实相反使用动词的过去时态，如“IfIwereyou,Iwouldchoosethatoption.”02与过去事实相反使用“had+过去完成时态”，如“Ifhehadstudiedharder,hewouldhavepassedtheexam.”03与将来事实相反使用“would+动词原形”，如“Ifhewonthelottery,hewouldbuyanewcar.”Forms01表示与实际情况相反的情况，如“IfIwereabird,Iwouldflytothesky.”02表示主观愿望、假设、建议等，如“IfonlyIhadmoretime,Iwouldfinishtheproject.”在条件状语从句中，使用虚拟语气来表达条件与实际情况相反的情况，如“IfIhadknowntheanswer,Iwouldhaveraisedmyhandinclass.”Usage02Invertedsentence05倒装句是一种特殊的语法结构，其中句子中的词语顺序与常规顺序不同，通常是为了强调或满足一定的语法规则。倒装句可以分为完全倒装和部分倒装两种类型。Definition整个谓语放在主语之前，通常用于强调或描述一个具体的场景或事件。只有部分谓语放在主语之前，通常用于强调某个特定的部分或细节。完全倒装部分倒装TypesofInvertedSentences强调01通过倒装句来强调某个特定的部分或细节，使读者更加关注这部分内容。02描述场景或事件使用倒装句来描述一个具体的场景或事件，使句子更加生动和形象。03满足语法规则在某些情况下，使用倒装句是为了满足一定的语法规则，例如在疑问句中。UsesofInvertedSentences0102"Outdashedthedog."(完全倒装)"Hereisthebookyouwanted."(部分倒装)ExamplesofInvertedSentencesemphasizedpattern06Definition:Theemphasizedpatternisagrammaticalstructureusedtohighlightorstressaparticularpartofasentence,oftenforemphasisortodrawattentiontoaspecificdetail.·Definition:Theemphasizedpatternisagrammaticalstructureusedtohighlightorstressaparticularpartofasentence,oftenforemphasisortodrawattentiontoaspecificdetail.EmphasizedpatternExamples"Itwasshewhofoundthelostkeys."(Emphasizingthesubject)"ThebookwrittenbyJohnisverypopular."(Emphasizingtheattribute)"Iwillgototheparty,nomatterwhat."(Emphasizingthemodalverb)01020304Emphasizedpattern123Byemphasizingthesubject,youcanhighlightthepersonorthingperformingtheaction.EmphasizingthesubjectEmphasizingtheattributecandrawattentiontoaspecificdetailorcharacteristicofthesubject.EmphasizingtheattributeEmphasizingthemodalverbcanemphasizetheactionorintentionofthesubject.EmphasizingthemodalverbCommonusesofemphasizedpatternClearcommunication01Usinganemphasizedpatterncanhelpmakeasentenceclearerandeasiertounderstand,especiallywhenconveyingimportantinformation.Stressingimportantdetails02Byemphasizingaspecificpartofasentence,youcanhighlightimportantinformationandensureitisnoticed.Addingemphasis03Addingemphasiscanmakeasentencemoreimpactfulandhelpconveytheintendedemotionortone.ImportanceofemphasizedpatternOmittingsentencepatterns07Simplepresenttenseis