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关于基数词和序数词I.基数词表示数目和号码,如::Thepopulationofthiscityisonemillionandthreehundredthousand.Hisphonenumberis89276310.Theliveat12,BillStreet.II.序数词表示顺序,如:Takethesecondright.Theyliveonthethirdfloor.III.注意下面基数词变为序数词的不规则变化:one—first,two—second,three—third,five—fifth,eight—eighth,nine—ninth,twelve—twelfthIV.注意下面十位数基数词变为序数词的不规则变化:Twenty—twentieth,thirty—thirtieth,fifty—fiftieth四以上加th,八减t(eighth),九去e(ninth),f来把ve替,ty须变tie.若是碰到几十几,改变个位就可以。第三人称的写法:1、多数动词后面加---s.2、以字母o,s,x,ch,sh结尾的动词后面加---es.如do-doesmiss-missescatch-catchespush-pushes3、动词末尾-y前为辅音时,则变-y为-i,再加-es.如cye-cyies但在动词末尾的-y前为元音时,则只加-s,如buy-buys(这种变化与名词的单数变复数有点相像)那么,什么情况下用行为动词的一般现在时呢?当这个动作经常发生或表示习惯性的动作时,通常用一般现在时,它经常与表示频度的时间状语连用,如,当句子中有everydayeveryyear,onSunday,inthemorning,often,sometimes,usually,atoneo’clock,等词时,用一般现在时。Hegetsupat6o’clock.SheusuallywatchesTVintheevening.Sometimeshegoestoschoolbycar.TomoftenfliesakiteonSunday.只有第三人称单数动词才要变,其他人称(I,you,we,they)则用动词的原形。写出下列动词的正确形式:1、I(go)toschoolatseveninthemorning.2.Mike(do)hishomeworkateightintheevening.3.Hisfatheroften(read)booksinthelibraryonSaturday.4.Mymotherusually(watch)TVplaysathome.5.Mycousinsometimes(play)cardswithme.6.youoften(study)afterschool?Yes,Ido.7.MikeandTomusually(fly)kitesonSunday.8.They(go)toschoolbybuseveryday.9.She(go)toschoolbybuseveryday.10.Weusually(listen)totheradiointhemorning.11.Heusually(listen)totheradiointhemorning.12.heusually(listen)tothemusicathome?No,he.动词变现在分词一.直接在动词后面加-ing1.do-doing做2.stand-standing站3.sleep-sleeping睡觉4.eat-eating吃5.sing-singing唱6.drink-drinking喝7.read-reading读8.look-looking看9.walk-walking散步10.watch-watching看11.draw-drawing画12.fly-flying飞13.open-opening打开14.jump-jumping跳15.do-doing做16.paint-painting绘画17.pick-picking捡18.play-playing玩19.garden-gardening做园艺工作20.talk-talking说话21.cook-cooking烹饪22.see-seeing看见23.learn-earning学习24.catch-catching抓住25.climb-climbing爬26.count-counting数数27.clean-cleaning打扫28.fish-fishing钓鱼二.以不发音的e结尾的去e加-ing1.come–coming来2.dance-dancing跳舞3.close-closing关4.make–making制造5.ride–riding骑6.write-writing写7.take-taking拿走8.phone-phoning打电话9.dance-dancing跳舞9.move–moving移动搬10.have–having有三.重读闭音节,双写最后一个辅音字母,再加-ing1.sit-sitting做2.hop-hopping单脚跳3.swim-swimming游泳4.run-running跑5.cut–cutting切6.put–putting放7.get-getting得到8.shop-shopping购物9.skip-skipping跳绳10.begin-beginning开始“现在进行时”的基本构成现在进行时,用来表示正在进行或发生的动作。其基本结构是:主语+be(am,is,are)+动词现在分词形式。一、陈述句(肯定句)主语+be(am,is,are)+现在分词,如:IamreadingEnglish.我正在读英语。Heiswriting.他正在写字。Youarerunning.你正在跑步。二、一般疑问句Be(Am,Is,Are)+主语+现在分词,如:1.-Areyousinging?你正在唱歌吗?-Yes,Iam.是的,我在唱歌。No,I'mnot.不,我不在唱歌。2.-Ishe(she)listeningtomusic?他(她)在听音乐吗?-Yes,he(she)is.是的,他(她)在听音乐。No,he(she)isn't.不,他(她)不在听音乐。三、特殊疑问句疑问词+be(am,is,are)+主语+现在分词,如:1.-Whatareyoudoing?你正在干什么?-Iamdoingmyhomework.我正在做作业。2.-Whatishe(she)doing?他(她)正在干什么?-He(She)isridingabike.他(她)正在骑自行车。动词的过去式A.一般在动词词尾加ed。例如:play—playedclean—cleanedvisit—visitedB.动词末尾字母是e的,在e后直接加d。例如:like—likedlive—liveddance—dancedC.重读闭音节,末尾只有一个辅音字母的,先双写这个辅音字母,再加ed.例如:stop—stoppeddrop—droppedplan—plannedD.以辅音字母加y结尾的词,要先变y为i再加ed.例如:study—studiedcarry—carriedworry—worriedE.不规则动词。例如:do—didgo—wentam/is—wasare—were练习给出以下动词的过去式is______are______like_______do______go______play______worry______watch______have_____change______read______visit_____take______plan______see______一般现在时、现在进行时、一般将来时、一般过去时(专项练习)一、用动词的正确形式填空1.I________(do)myhomeworkeveryevening.2.We_______(fly)kitesintheparkonSundays.3.Mymother________(clean)ourroomonSundays.4.Tom_______(play)thepianoeverySaturday.Nowhe______(play).5.She_______(like)swimming.She______(swim)thisweekend.6.Usuallymymother_______(wash)thedishesafterlunch.Butmygrandma_______(wash)today.7.Lookattheman!He______(read)amagazine.8.Look!Theplane________(fly)overthebuilding.9.Listen!Myaunt________(sing)intheroom.Sheisasinger.She_____(like)singing.She_______(have)amusicshow.Sheisexcited.10.TomandMikealways______(swim)intheriver.They_____(swim)intheswimmingpoolthisSunday.Look!They______(swim).11.What______youusually______(do)intheevening?I_______(play)computergames.12.What_______you_______(do)now?I_______(make)apaperplane.13.What_______he_______(do)?He______(dance).14.What_______she______(do)yesterday?She______(visit)hergrandparents.15.______yourmother______(read)newspaperinthemorning?Yes,She________.16._______you_______(like)fishing?No,I______.Ilike______(swim),butmybrother______(like).17.How______yourfather_______(go)toworkeveryday?He______(go)bybike.Butit’scoldtoday.He______(take)theNo.21bus,,andhe_______(go)toworkbytaxiyesterday.18._______themonkey_______(like)climbingtrees?Yes,it_______.19.What_______yourfather______(do)afterlunch?He_______(read)acomicbook.What_____he_______(do)today?He_______(clean)thekitchenformygrandma.Look!He(clean).20.________you______(collect)stamps?Yes.I_______.________yourbrother______(collect),too?No,he________.二、选择题1._____he_____totheparkat6:30inthemorning?No,he_____.A.Does;goes;doesB.Does;go;doesn’tC.Does;go;does2.Whatcolour_____you_____thisbookcase?I_____itpink.A.are;goingtopaint;amgoingtopaintB.do;paint;paintC.did;paint;painted3.Timalways_____apictureathome.He_____aca
本文标题:关于基数词和序数词.ppt
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