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第七讲:动词动词的分类1.Be动词(am,is,are)2.助动词:本身没有词义,不可单独使用.3.情态动词4.实意动词be动词的用法1.与名词,数词,形容词,介词连用1)Heismyteacher.2)Sheisten.3)Theyaretired.4)Thecatisunderthedesk.2.Be动词在时态中的运用1)在一般现在时中Iamadoctor.2)在现在进行时中Wearetalking.练习1.I____agirl.2.She____abeautifulgirl.3.he____fromEngland.4.They____myparents.5.You____thebeststudentinourclass.6.we____students.7.How____you助动词的几种形式1)do/don’t2)does/doesn’t3)did/didn’t4)will/won’t助动词的几种用法1.对句子进行疑问和否定1)Doyougetupearlyeveryday?2)Ididn’thavelunchyesterday.3)Willyoubebacksoon?2.在反义疑问句中1)Heworksinaschool,doesn’the?2)Shehasneverbeenthere,hasshe?用do,does,did填空1._____yoursisterlikeEnglish?2._____yourideabikeafterschool?3.He_____notspeakChinese.HespeaksEnglish.4._____theydotheirhomeworklastnight?5._____yougoshoppingwithyourmotheryesterday?6.Myfatherandmother_____notreadnewspaperonSundays.情态动词本身有一定的词义,与普通动词一起使用,给谓语动词增添情态色彩,表示说话人对有关行为或事物的态度和看法。1)情态动词后面跟动词原形2)只有时态变化,没有人称的变化原形过去式词义cancould能maymight可以(或许)mustmust必须(不得不)willwould愿意shallshould应该needneeded需要1.can/could1)在表示有能力做某事时,could是can的过去式。Icanswim.Icouldswimattheageoffive.2)在表示请求允许的时候两者可互换,could比can语气更委婉。CanIhelpyou?Couldyouopenthewindow?2.must1)表示义务,命令或必须Youmustfinishitbefore5o’clock.MustIhanditinnow?2)否定句用mustn’t,否定回答用needn’tYoumustn’tplayinthestreet.---MustIcleantheroomnow?---No,youneedn’t.3.may1)表示请求、许可、可以MayIaskyousomequestions?Maywestartnow?4.Should1)表“应该”WhoshouldImeetthisafternoon?Youshouldpackyourbagquickly.二.用适当的情态动词填空。1.MustIborrowthebookwithmyIDcard?No,you________.2.________Iuseyourcar?Yes,you________.3.________Igohomenow?No,you_________stayhere.4.Mymotherisill.I_________stayathomeandlookafterher.5.________youlikesometea?6.You________takemoreexercise.7.________youtellmehowtogettotheQingyunPark?8.Theclock________tellusthetime.9.________youliketogofishingwithme?10.________weplayfootballthisafternoon?实意动词1.实意动词是指具有行为意思的动词2.实意动词的四中形式:原形第三人称单数过去式现在分词注意:掌握四中形式的变化规律1)Ilikethebook.2)Heworksintheoffice.3)Icaughtacoldlastweek.4)wearedancingnow.英语动词的基本形式及变化规则1.单三形式变化规则2.动词-ing形式的变化规则3.动词过去式的构成变化规则1.单三形式变化规则1)一般动词在词尾加-s,help→helps,swim→swims2)以字母s,x,ch,sh结尾的动词加-es,guess→guesses,teach→teaches3)以字母s,x,ch,sh结尾的动词加-es,guess→guesses,teach→teaches4)以辅音字母加y结尾的动词,先变y为i,再加-esfly→fliescarry→carries特殊:be→ishave→hasdo→does写出下列动词的第三人称单数形式ask_______catch_______write________read______go_______clean________put_______study______come_________wash______take______make__________2.动词-ing形式的构成(1)一般在动词末尾加-ing.go→going,ask→asking(2)以不发音字母e结尾的动词,先去掉e,再加-ing.write→writing,close→closing,take→taking3)以闭音节结尾的动词,如果末尾只有一个辅音字母,应先双写这一字母,再加-ing.get→getting,sit→sitting,put→putting,run→running,begin→beginning写出下列动词的现在分词形式swim______fly______watch_____see_______write_____sing______say_______run______come______jump______take_____talk________3.规则动词过去式的构成1)一般在动词原形末尾加-ed.结尾是e的动词直接加-d.look→looked,play→played,live→lived,hope→hoped(2)末尾只有一个辅音字母的重读闭音节词,先双写这个辅音字母,再加-ed.stop→stopped,plan→planned,trip→tripped(3)结尾是“辅音字母+y”的动词,先变“y”为“i”再加-ed.study→studied,carry→carried(5)不规则动词过去式常见的不规则动词的过去式有:am/is→was,are→were,go→went,have→had,do→did,get→got,come→came,say→said,see→sawput→put,eat→ate,take→took作业:1.记动词三单变化规则,过去式变化规则,现在分词变化规则。2.记各情态动词表示的意思。
本文标题:第七讲动词及用法
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