主、系、表结构课件.ppt

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1、主系表结构7.15主语+系动词+表语SubjectLinkverbPredicative一.主语主语可以是什么？Thechairisgreen.名词HeisfromEngland.Playingthecomputerismyhobby.Whatshesaidisright.代词动名词从句△名词主要由、、或充当。名词代词动名词从句二.系动词①状态、属性类动词be（am、is、are）/was、were他是一名教师。Heisateacher.他生病了。Heisill.他习惯自己一个人待着。beusedtodoingstayHeisusedtostaying

2、alone.②持续类动词keep、remain、stay继续是，仍然是我们仍然可以做朋友。Wecanremainfriends.我们要保持身体较康。Weshouldkeephealthy.门仍然是关着的。Thedoorremainsclosed.他保持沉默。Hekeeps/staysslient.slient△keep、stay都可以表示，但如果表示身体健康方面的，只能用。保持keep③表“像”系动词appear、seemappear、seem+形容词你似乎很累。Youseemtired.她好像身体很好。Sheappearswell.他好像很开心。He

3、appearshappy.todo他似乎喜欢这个。Heseemstolikeit.她看起来像是一个二十岁的女孩。Sheseemstobea20-year-oldgirl.that+从句Itseems/appearsthat+从句好像他犯了一个错误。Itseemedthathemadeamistake.=Heseemedtomakeamistake.他好像在自言自语。Itseemsthatheistalkingtohimself.=Heseemstobetalkingtohimself.※①seem、appear是除了be动词外唯一可以直接加not表示否

4、定的系动词。Hedoes'tseemtobeherfather.=Heseemsnottobeherfather.Thebabydoesn'tappeartobeaweak.=Thebabyappearsnottobeaweak.②seem、appear常与there连用。那里好像只有一个房间。Thereseemstobeonlyoneroom.这里好像有一些水。Thereappearstobesomewater.那里好像明天有一场聚会。Thereseemstobeapartytommrow.④表示感官类的动词：……起来（是）看起来look听起来sou

5、nd闻起来smell尝起来taste摸起来；感觉起来feel这听起来是一个好主意。Itsoundsagoodidea.这闻起来很不错。Itsmellsnice.冰摸起来是冷的。Icefeelscold.这个菜尝起来很美味。Thisfoodtastesdelicious.那个看起来不一样。Thatlooksdifferent.每个人感觉很开心。Everyonefeelshappy.※look，smell，sound，feel，taste能接asif/asthough+表语从句表示好像看起来天好像要下雨了。Itlooksasifitisgoingtorai

6、n.这听起来有重要的事情发生。Itsoundsasifsomethingimportantwillhappen.感觉现在是春天了。ItfeelsasifitisSpringnow.⑤变化类的系动词become,go,turn,grow,get,comebecome后面一般接一种职业、身份；比较级+and+比较级变成一个老师becomeateacher变得越来越好becomebetterandbettergo多接形容词，一般指的是由好变到坏turn多和颜色搭配；当接的是名词，名词前面不用冠词变绿turngreen变成作家turnwritergrow一般多

7、与生长有关come多指由坏变到好get多指一种渐变的过程，比较级+and+比较级的结构become,go,turn,grow,get,come1.Wrongneverright.2.Fishsoonbadinhotwater.3.IwasinterestedinmusicwhenIold.4.Mydreamistoadoctor.5.LeavesalwaysyellowinAutumn.6.Itisdarkeranddarker.comegoesgrewbecometurngetting⑥终止类系动词prove被证实是这句话被证实是假的。Thissen

8、tenceprovesfalse.turnout最后……，终于……证实他是对的。Heprove