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易学生动详细育英科技王衡英语初级英语语法(小升初英语四轮复习法之一)1
情态动词情态动词是用于表示说话人的情绪,态度或语气。不能单独用,只能和其他动词原形一起使用。2
陈述句:疑问句:否定句:canV原HecandothatTheycandothatcanV原Canhedothat?Cantheydothat?canV原HecannotdothatTheycannotdothatnot3
情态动词can讲解1.can,“能、会”,表示“能力”例:我会/能讲英语。IcanspeakEnglish.我会唱歌。她会唱歌。Icansing.Shecansing.2.can,“可以”,表示“许可”例:你现在可以回家了。Youcangohomenow.你可以用这本书。Youcanusethisbook.4
情态动词can讲解3.情态动词没有“单三”变化,并且后面的动词永远用原形。例:Icanclimbthetree.Hecanclimbthetree.Theycanclimbthetree.5
情态动词can讲解4.can的句型结构陈述句结构:主语+can+动词原形+其他否定句结构:主语+can’t+动词原形+其他疑问句结构:Can+主语+动词原形+其他+?疑问句回答:Yes,主语+can.No,主语+can’t注意:cannot=can’t例:HecanswimintheYellowRiver.Hecan’tswimintheYellowRiver.CanheswimintheYellowRiver?Yes,hecan.No,hecan’t.6
情态动词can讲解练习:He______(canplay)basketball.(填空)Mr.WangcanteachEnglish.(变否定句)Xiaomingcanmakeacake.(变疑问句)Cansheflyinthesky.(给出肯定和否定回答)7
情态动词may讲解1.表示许可或征求对方的许可,有“可以”的意思。例如:Youmaygonow.你可以走了。MayIuseyourcomputer?我用一下你的电脑可以吗?8
情态动词may讲解2.may的句型陈述句:主语+may+动词原形+其他否定句:主语+may+not+动词原形+其他疑问句:May+主语+动词原形+其他+?回答:Yes,主语+may.No,主语+can’t.注意:用may提问时,肯定回答可以用may和can,否定回答用can’t9
情态动词must讲解1.must“必须”,语气非常强烈,含有命令语气例:你必须早起。Youmustgetupearly.你必须8点到学校。Youmustgotoschoolat8.2.mustnot=mustn’t“禁止”、“不允许”,Childrenmustn’tplayontheroad.It’sverydangerous.孩子们不允许在路上玩耍,这样非常危险。10
情态动词must讲解3.must的句型结构:陈述句:主语+must+动词原形+其他否定句:主语+mustn’t+动词原形+其他疑问句:Must+主语+动词原形+其他+?回答:Yes,主语+must.No,主语+needn’t.例子:Hemustbeateacher.他一定是个老师。MustIgohomenow?我现在必须回家吗?Yes,youmust.是的,你必须回家。No,youneedn’t.不,你不必。11
情态动词练习1.—Look,it______beMrZhang.—No,it______behim.Hehasgoneabroad.A.may;mustn"tB.must;maynotC.must;can"tD.can;maynot2.Danny______gowithustonight,butheisn"tverysureyet.A.mustB.mayC.canD.will3.—______Itakethenewspaperaway?—No,youmustn"t.You______readitonlyhere.A.Must;canB.May;canC.Need;mustD.Must;must4.Thechildren______playfootballontheroad.A.needn"tB.canC.mustn"tD.must12
情态动词练习5.—MustIdomyhomeworkatonce?—No,you______.A.needn"tB.mustn"tC.can"tD.maynot6.There"snolighton.They______beathome.A.can"tB.mustn"tC.needn"tD.shouldn"t13
5、小学动词不规则变化无法无天只变单元音am/is-wasare-weredo-didhave-hadlearn-learntsee-sawgo-wentspend-spenteat-atemeet-metsay-saidfly-flewbend-bentbite-bithear–heardleave-leftmake-madepay-paidsend-sentrun-ransit-satsing-sangdrink-drankcome-cameswim-swamthrow-threwbecome-becamegive-gavebegin-begandrive-drovedraw-drewknow-knewrun-ranfall-fellforget–forgotget-gotride-roderise-rosesing-sangaught和ought变成“o”了teach-taughtcatch-caughtthink-thoughtbuy-boughtstand-stoodtake-tookget-gotwrite-wroteride-rodetell-toldspeak-spokewake-woke去“e”加“t”永远不变sleep-sleptfeel-feltsweep-sweptkeep-keptletputreadcuthithurtspread14
小学不规则动词总结1、直接+d:agree,bake,believe,close,dance,exercise,like,live,type,welcome2、改y为I加ed:carry,cry,marry,study,try,worry3、双写辅音字母:chat,stop4、有两种变化形式的:learn–learned/learnttravel-traveled/travelled5、不变的:hit-hitput-putcut-cuthurt-hurtread-readlet-letspread-spread15
小学不规则动词总结6、特殊变化16
不规则动词总结不规则变化:become-becamebegin-beganforget-forgot,ride-rodebend-bent,bite-bit,buy,catch,come,sit-satchoose-chose,do-diddraw-drewdrink-drankdrive-droveeat-atefall-fellfly-flewpay-paidrun-ranget-gotgive-gavego-wenthave/has-hadhear–heardrise-roseknow-knewleave-leftmake-mademay-mightmeet-metsay-saidsee-sawsend-sentsleep-sleptspeak-spokeswim-swamtake-tooktell-toldthink-thoughtthrow-threwunderstand-understoodwake-wokewrite-wrote17