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第21课时陈述句复习目标1．掌握陈述句肯定式否定式的结构2．能正确运用陈述句说明事物，表达看法知识梳理形式构成例句陈述句的肯定式①主语＋系动词＋表语②主语＋谓语动词③主语＋谓语动词＋宾语④主语＋谓语动词＋间接宾语＋直接宾语⑤主语＋谓语动词＋宾语＋宾语补足语Todayissunny.今天天气晴朗。Shelaughed.她笑了。Ilikespring.我喜欢春天。Hegavemeabook.他给了我一本书。WecallhimTom.我们称呼他汤姆。陈述句的否定式①主语＋be动词＋not＋其他②主语＋助动词＋not＋实义动词＋其他③主语＋情态动词＋not＋实义动词＋其他Heisnotadoctor.他不是医生。Mikedidn'tplayfootballyesterday.迈克昨天没有踢足球。Ican'tsing.我不会唱歌。[注意]①在一般现在时的肯定句中，当主语是第三人称单数时，谓语动词要用第三人称单数形式。在一般现在时的否定句中，当主语是第三人称单数，谓语是实义动词时，应用助动词doesn't来否定，同时将实义动词改为原形。②在否定句中除了not否定词可以表示否定外，常见的还有no，never，little，noone，nobody等。③have当作“有”讲时，其否定形式有两种，一种是直接加not，一种是利用do的形式。用括号中所给词的适当形式填空。Mike________(notplay)thegamewell.【解析】本题考查陈述句的否定式。Mike为第三人称单数，play为实义动词，其否定形式是play前加doesn't。【答案】doesn'tplay按要求改写句子。1．Therearemanyapplesinthebasket.(改为单数)There________________________inthebasket.2．Idon'tdomyhomework.(用He改写)He________________________homework.3．IwenttoBeijinglastmonth.(用nextweek改写)I________________________Beijingnextweek.isanappledoesn'tdohisamgoingto/willgoto【解析】此题主要是考查陈述句的运用。因时态、单复数及人称的不同，句中的动词等要发生相应的变化。第1题：“manyapples”为复数形式，与之一致的be动词“are”也为复数。改为单数时，先将名词变为“anapple”，再将“are”变为“is”。第2题：主语是“I”，动词“do”变否定为“don'tdo”，在将主语改为“He”时，“don't”要变为“三单形式“doesn't”，其后动词do用原形，且“my”要改为“his”。第3题：由“lastmonth”可知是过去时态，其动词“wenttoBeijing”与之相符，要将时态改为将来时(nextweek)，则要将“wenttoBeijing”改为“amgoingtoBeijing”或“willgotoBeijing”。【答案】连词成句。1．Ischool7：00toatgo(.)_________________________________________________2．issheanotteacher(.)________________________________________________【解析】此题考查学生对陈述句的掌握。陈述句有肯定式和否定式，第1题是肯定陈述句，其结构为“主语(I)＋谓语(动词短语gotoschool)＋时间状语”。第2题是否定陈述句，其结构为“主语＋be动词＋否定词＋宾语”。Igotoschoolat7：00.Sheisnotateacher.考点闯关21一、单项选择。()1.Mymum________growingflowers.A．likeB．likesC．liking()2.I________goingtohaveapicnicnextweek.A．wasB．amC．will()3.It'soften________insummerhere.A．rainingB．rainsC．rainy()4.Thisis________eraser.It's________eraser.A．a;myB．an;IC．an;my()5.Here________anorangeandsomepears.A．areB．isC．amBBCCB()6.Jimmyisverytall,________hisfatherisveryshort.A．butB．andC．or()7.LiHua________homeontimelastnight.A．didn'tcameB．didn'tcomesC．didn'tcome()8.That________abird.It'sakite.A．isn'tB．isC．are()9.John________abigfamily.A．haveB．hasC．having()10.There________anyflowersinthepicture.A．areB．aren'tC．isACABB二、按要求改写句子。11．Thisisadog.(改为复数)________________________________________________12．ChenFenglikeslisteningtotheradio.(改为否定句)_________________________________________13．Shegoestoworkbycar.(改为否定句)_______________________________________________14．TimisgoingtoHongKongtomorrow.(用yesterday改写)__________________________________________________15．Iameatinggoodfoodnow.(用lastweekend改写)____________________________________________Iategoodfoodlastweekend.Thesearedogs.ChenFengdoesn'tlikelisteningtotheradio.Shedoesn'tgotoworkbycar.TimwenttoHongKongyesterday.三、根据中文完成句子。16．后天是星期六。Thedayaftertomorrow________________．17．桌子底下有一只猫。_______________acat________thetable.18．昨天我和我妈妈一起去购物。I________________withmymotheryesterday.19．我想帮妈妈打扫房间。Iwanttohelpmymother________________________．20．看！Lucy和Kate正在踢足球。Look!LucyandKate________________football.areplayingisSaturdayThereisunderwentshoppingcleantheroom四、连词成句。21．birthdaysthreeMayinthereare(.)_________________________________________22．brotherthanyoutalleryourare(.)_______________________________________23．TVsheonwatchesSaturday(.)___________________________________________24．sweepcanIfloorthe(.)__________________________________________Icansweepthefloor.TherearethreebirthdaysinMay.YouaretallerthanyourbrotherShewatchesTVonSaturday.五、根据短文内容判断正误，对的写“T”，错的写“F”。Igetupatsixeverymorning.Ihavebreakfastathomeatseveno'clock.Igotoschoolatseventhirty.Ihavelunchatschoolattwelve.Intheafternoonatfourfifteen,Iplayfootballwithmyclassmates.Igethomeatfiveo'clock.Idomyhomeworkathome.IlikewatchingTV.Igotobedatnineo'clock.()25.Igetupatsix.()26.Ihavebreakfastatschoolatseveno'clock.()27.Iplayfootballwithmyclassmatesat4：15intheafternoon.()28.Igethomeatfiveo'clock.()29.Idon'tlikewatchingTV.25.T26.F27.T28.T29.F