小升初英语总复习第三章句型第一节陈述句课件

第三章句型 在英语中 根据句子用途的不同 可以分为陈述句 疑问句 祈使句和感叹句四类 此外 therebe句型作为一种特殊而重要的句型 在小学阶段也应注意掌握 知识梳理 一 陈述句的概念陈述句是用来陈述事实或者说话人的看法的句子 它包括肯定句和否定句两种 在书写时句末用句点 在朗读时用降调 如 Thisisanicebook Susanlikesmathsverymuch Myfatherdoesn tgotoworkonweekends Theyaren tgoingtoclimbthemountainthisSaturday 第一节陈述句 二 肯定句变否定句的基本方法1 句中有be动词的句子 变为否定句时只需在be动词后加not 如 1 IaminGradeSixthisyear I mnot Iamnot inGradeSixthisyear 2 Mikeisgoingtoplayfootballthisafternoon Mikeisn t isnot goingtoplayfootballthisafternoon 3 Theseareredapples Thesearen t arenot redapples 4 Itwasafinedayyesterday Itwasn t wasnot afinedayyesterday 5 Wewerehappyatthattime Weweren t werenot happyatthattime 2 句中含有情态动词的句子 变为否定句时只需在情态动词后加not 如 1 Petercanfly Petercan t cannot fly 2 Youshouldstopsmokingnow Youshouldn t shouldnot stopsmokingnow 3 实义动词的否定句 谓语动词为行为动词的句子变为否定句时 要根据时态选用do的相应形式 do does did 并在其后加not 如 1 Ilikelisteningtomusic Idon tlikelisteningtomusic 2 Myfatherlikesplayingsports Myfatherdoesn tlikeplayingsports 3 Grandmadoeshouseworkeveryday Grandmadoesn tdohouseworkeveryday 4 Hedidhishomeworklastnight Hedidn tdohishomeworklastnight 注 加donot doesnot或didnot改为否定句以后 要把原句的动词改为动词原形 特别是当原句中的谓语动词是第三人称单数形式does或过去式did时 改为否定句一定要记得在doesn t或didn t之后加上do 4 几种特殊形式的否定句 1 肯定句中含有every 的合成词时 变为否定句时将其改为no 的合成词 如 Everythingisready Nothingisready 2 肯定句中含有always usually或ever时 变为否定句时将其改为never 如 Heisalwayslateforschool Heisneverlateforschool Iusuallygototheparkonfoot Inevergototheparkonfoot 3 肯定句中含有many或much时 变为否定句时将其改为few或little 如 Manystudentsknowhim Fewstudentsknowhim Thereismuchmilkinthebottle Thereislittlemilkinthebottle 4 肯定句中含有both both and 或all时 变为否定句时将其改为neither neither nor 或none 并注意谓语动词要相应变化 如 Bothofusarestudents Neitherofusisastudent BothyouandIareright NeitheryounorIamright Allthestudentsareintheclassroom Noneofthestudentsisintheclassroom 5 Ithink 句式变为否定句时 只要在think之前加don t即可 如 Ithinkyouareright Idon tthinkyouareright 考点精析 考点1考查陈述句基础句型的运用能力 例1 根据图片将句子补充完整 每空一词 1 Thisruleris 2 They 解析 本题考查学生对陈述句基本句型的运用能力 第1小题的句子形式是 主语 系动词 表语 因此 横线上需要填上一个单词或短语对主语进行修饰或限定 第2题只给出了主语They 只要能根据图片内容写出符合图意的句子 并保证句子语句通顺和语法正确就可以了 答案 1 long2 likeplayingfootball areplayingfootball 举一反三1 改错 选出错误项的字母编号并改正在后面的横线上 1 Mybrotherisplayingpiano ABC 2 Someboyscomesinhappily ABC 3 It sgoingtowarmtomorrow ABC C B B playingthepiano comein bewarm 2 用括号内所给动词的适当填空 1 There somebagsintheroom Theblackone mine be 2 Ahorse run butit fly can 3 Davidalways hishomeworkat7 00p m do 4 Look thefish inthewater Theyaresocute swim are is can can t does areswimming 考点2考查陈述句的句式转换 例2 按要求转换句型 1 Todayisarainyday 改为否定句 2 Hedoessportsthreetimesaweek 改为否定句 解析 本题考查肯定句和否定句的转换 要注意转换规则 第1小题中有be动词is 则只需要在is之后加上not即可 第2小题中没有be动词 而是行为动词do的三单形式does 在改写否定句的时候 要先加上doesn t 然后再将原来的does还原为do 放在does之后 这种题是最容易出错的 答案 1 Todayisn tarainyday 2 Hedoesn tdosportsthreetimesaweek 举一反三根据括号内动词的提示 将下列句子改为否定句 1 Sarah can swim 2 I do wanttoeatmorecandies 3 Atiger can fly butitcanjump 4 You should putonyourjacket 5 You must smokehere 6 It was rainyyesterday can t don t can t shouldn t mustn t wasn t 过关检测 1 单项填空 1 Myfather likeapples A isn tB doesn tC don t 2 I likepopmusic A isn tB doesn tC don t 3 I gotoschoolyesterday A doB don tC didn t 4 What sthis abook A ThatisB It sC This 5 I manybirthdaypresents A amB hasC have B C C B C 6 Mymother badmintonwell A isplayB playC plays 7 I freelastSunday A amB didC was 8 Thegirlreads A loudB loudlyC loudy 9 Mymotherwouldlike somemeat A buyB buyingC tobuy 10 Hereisacard yourfather A inB fromC to C C B C B 二 将下列句子改为否定句 每空一词 1 Thisisadesk This adesk 2 Mysistercandrawpictures Mysister drawpictures 3 Wedomorningexerciseseveryday We morningexerciseseveryday 4 Mikedoeshishomeworkafterdinner Mike hishomeworkafterdinner 5 Mygrandparentsdidsportsinthegardenyesterday Mygrandparents sportsinthegardenyesterday isn t can t don t do doesn t do didn t do 6 Thereissomethingwrongwithmybike There wrongwithmybike 7 BothJoanandIareinClassOne Joan I inClassOne 8 Allofuscanswim canswim 9 Youcanplaybasketballhere You playbasketballhere 10 Ithinkitisgoingtoraintomorrow I goingtoraintomorrow isn t anything is nothing Neither nor am None of us can t don t think it s 三 按要求改写下列句子 1 Thisisabanana 改为复数形式 2 Therearesomeapplesonthedesk 改为否定句 3 Ifeelbadlastnight 改为同义句 4 I mgoingtoBeijingnextweek 改为一般疑问句 并作肯定回答 Thesearebananas Therearen tanyapplesonthedesk Ididn tfeelwelllastnight AreyougoingtoBeijingnextweek Yes Iam 四 连词成句 1 sister s my shorter hair is mine than 2 should you read loudly English 3 there some noodles are the an egg and on plate 4 yesterday feel didn t well I 5 in at the six I up morning usually get Mysister shairisshorterthanmine YoushouldreadEnglishloudly Therearesomenoodlesandaneggontheplate Ididn tfeelwellyesterday Iusuallygetupatsixinthemorning 同学们 来学校和回家的路上要注意安全 同学们 来学校和回家的路上要注意安全