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1、PPTcoursewareforEnglishLevel3GrammarKnowledOverviewofEnglishLevel3GrammarEnglishTestBand3TenseandVoiceEnglishLevel3NonfiniteVerbsEnglishLevel3ClauseEnglishLevel3subjunctivemoodSpecialSentencePatternsforEnglishTestBand3目录01OverviewofEnglishLevel3Grammar定义与重要性英语第三级语法是英语语言知识的重要组成部分，涵盖了英语语言规则和结构的高级应用。掌握
2、第三级语法对于提高英语表达能力、阅读理解能力和写作水平至关重要。TheDefinitionandImportanceofEnglishLevel3Grammar主要内容英语第三级语法主要包括复杂句型、时态和语态、虚拟语气、非谓语动词、形容词和副词的比较级和最高级等。此外，还包括主谓一致、强调句型、倒装句等特殊句型和结构。ThemaincontentofEnglishLevel3grammar学习方法通过PPT课件学习英语第三级语法知识，可以充分利用多媒体资源，提高学习效果。学习者可以通过观看PPT演示、听讲解、做练习等方式，系统地学习和掌握第三级语法知识。同时，学习者还可以通过与教师和同学互动
3、交流，加深对语法规则的理解和应用。01020304TheLearningMethodsofEnglishLevel3Grammar02EnglishTestBand3TenseandVoice PresenttensePresentsimpleItisusedtoexpressanactionthatishappeningnoworisalwaystrue.PresentcontinuousItisusedtoexpressanactionthatishappeningnowandisongoing.PresentperfectItisusedtoexpressanactionthathash
4、appenedinthepastandhasrelevancetothepresent.Itisusedtoexpressanaction that happenedinthepastandiscompleted.SimplepastPastcontinuousPastperfectItisusedtoexpressanactionthatwashappening in the pastataparticulartime.Itisusedtoexpressanaction in the past thathappenedbeforeanotherpastaction.030201Pastten
5、seFuturecontinuousItisusedtoexpressanactionthatwillbehappeninginthefutureataparticulartime.FutureperfectItisusedtoexpressanactioninthefuturethatwillhappenbeforeanotherfutureaction.SimplefutureItisusedtoexpressanactionthatwillhappeninthefuture.Futuretense123Itisusedtoexpressanactionthatishappeningnow
6、andisongoing.PresentprogressiveItisusedtoexpressanactionthatwashappeninginthepastataparticulartime.PastprogressiveItisusedtoexpressanactionthatwillbehappeninginthefutureataparticulartime.FutureprogressiveProgressivetenseThepassivevoiceisusedwhenthefocusofthesentenceisontheactionratherthanontheperson
7、performingit.Itisformedbyusingtheauxiliaryverbtobewiththepastparticipleofthemainverb.passivevoice03EnglishLevel3NonfiniteVerbsInfinitiveisthebasicformofaverb,withoutanyauxiliaryverbsorhelpingverbs.Itisusedasasubject,object,orcomplementinasentence.Infinitivecanbeusedwithorwithoutto.Forexample,Iwantto
8、runandIlikerunningarebothinfinitiveforms.Infinitivecanbeeithertransitiveorintransitive.Atransitiveverbhasanobject,whileanintransitiveverbdoesnot.InfinitiveGerundisaverbformthatendsin-ingandfunctionsasanouninasentence.Itisoftenusedasthesubjectorobjectofasentence.Gerundscanbeusedtoexpressactionsthatar
9、eongoingorincomplete.Forexample,Runningisgoodexercisemeansthattheactionofrunningisongoingorincomplete.Gerundscanalsobeusedascomplementsinsentences,providingadditionalinformationaboutthesubject.Forexample,Hishobbyisrunningmeansthatrunningishishobby.GerundparticipleParticipleisaverbformthatisusedasana
10、djectivetodescribeanounorpronoun.Itcanbeeitherpresentparticipleorpastparticiple.Presentparticipleendsin-ingandisformedbyadding-ingtothepresenttenseoftheverb.Itisusedtoexpressongoingorincompleteactions.Forexample,Therunningmanisfastmeansthatthemanwhoisrunningisfast.Pastparticipleendsin-d,-ed,-n,-t,-e
11、n,or-r.Itisformedbyaddingthesesuffixestothepasttenseoftheverb.Itisusedtoexpresscompletedactionsorstates.Forexample,Thebrokenglasswasonthefloormeansthattheglasswasalreadybrokenbeforeitwasonthefloor.04EnglishLevel3Clause0102nominalclause名词性从句包括主语从句、宾语从句、表语从句等，它们在句子中起到名词的作用，可以表示事物、概念或状态等。名词性从句在句子中充当名词成
12、分，可以作为主语、宾语、表语等。Attributiveclause定语从句对名词或代词进行修饰或限定，以提供更具体的信息。定语从句通常紧跟在所修饰的名词或代词之后，对名词或代词进行更详细的描述或限定，使句子更加丰富和具体。状语从句在句子中起到副词的作用，用来描述动作发生的时间、地点、方式等。状语从句可以放在句首、句中或句末，用来补充说明主句中的动作或状态，使句子更加完整和流畅。Adverbialclause05EnglishLevel3subjunctivemoodTheusageofsubjunctivemoodinconditionalsentencesInconditionalsente
13、ncesexpressingwishes,hypotheses,orcontrary-to-factconditions,thesubjunctivemoodisusedintheifclause.Forexample,IfIwereyou,Iwouldtakethejob.ConditionalsentenceswithiforunlessWhensimulatingasituationthatisnottrue,thesubjunctivemoodisusedintheasiforasthoughclause.Forinstance,Heactsasifheweretheboss.Cond
14、itionalsentenceswithasiforasthoughSuggestionWhenmakingasuggestion,thesubjunctivemoodisusedtoexpressapreferenceorrecommendation.Forexample,Isuggestthatwestartearlytomorrow.DemandWhenmakingademand,thesubjunctivemoodisusedtoexpressastrongrequestorinsistence.Forinstance,Shedemandedthatheapologize.Comman
15、dWhengivingacommand,thesubjunctivemoodisusedtoexpressanorderorinstruction.Forinstance,Thegeneralorderedthatthetroopsattackatdawn.Theusageofsubjunctivemoodinsentencestructuressuchassuggestion,demand,andcommandWishesandhypothesesThesubjunctivemoodisusedtoexpresswishesorhypotheticalsituations.Forinstan
16、ce,IwishIwereamillionaire.ContemplationofthefutureWhencontemplatingthefutureandexpressingawishorhypotheticalsituation,thesubjunctivemoodisused.Forexample,IfIweretowinthelottery,Iwouldtraveltheworld.ComparisonsandcontrastsThesubjunctivemoodissometimesusedincomparisonsandcontraststoexpressahypotheticalorcounterfactualsituation.Forinstance,Sheismorebeautifulthanifshewereamodel.Theusageofsubjunctivemoodinothersituations06SpecialSentencePatternsforEnglishTestBand3Examples:1.Itwashewhofoundthelostkeys
