Unit4语法专项can的用法与动词-ing形式教科版（五四制）英语六年级上册

教学课件教科版（五四学制）英语六年级上册Unit4语法专项——can的用法与动词-ing形式

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学习目标1.掌握can的两大核心用法（能力、许可）及句式转换2.牢记can的用法特点（无人称变化，后接动词原形）3.掌握动词-ing的4条变化规则，能正确变形4.熟练运用（don't）like/love/hate/mind+-ing表达喜好5.能结合校园场景，灵活运用两大语法模块造句、对话can的本质——情态动词can是情态动词，核心特点：1.无人称、数的变化（I/you/he/she/they都用can）2.后接动词原形（无论主语是谁，动词不变形）3.否定形式：cannot→缩写为can't4.主要用途：表达“能力”和“许可”，贴合校园场景can的用法1——表示能力（Ability）含义：自身具备的、能做到某事的能力结构（肯定句）：主语+can+动词原形+其他例句1：Icandrawpictures.（我会画画。）例句2：HecanspeakEnglishwell.（他英语说得好。）例句3：Theycanplaytheguitar.（他们会弹吉他。）can表能力——否定句与疑问句否定句结构：主语+can't+动词原形+其他例：Shecan'tswim.（她不会游泳。）一般疑问句结构：Can+主语+动词原形+其他？回答：Yes,主语+can./No,主语+can't.例：—Canyoudance?—No,Ican't.can的用法2——表示许可（Permission）含义：得到允许、可以做某事（校园规则、请求许可）结构（肯定句）：主语+can+动词原形+其他例句1：Youcanasktheteacherforhelp.（你可以向老师求助。）例句2：Wecanreadbooksinthelibrary.（我们可以在图书馆看书。）can表许可——否定句与疑问句否定句结构：主语+can't+动词原形+其他（表禁止）例：Youcan'ttalkloudlyinclass.（你不能在课堂上大声说话。）一般疑问句结构：CanI/you...?（请求许可）例：—CanIuseyourruler?—Sure,youcan.can表能力vs许可——区分技巧1.表能力：主语通常是“人”，强调“会/不会”例：Shecanplaythepiano.（能力）2.表许可：主语通常是“you/we”，强调“可以/不可以”例：Youcanusemypen.（许可）小提示：结合句意，看是否和“能力、技能”相关can的易错点1.can后必须接动词原形，不能加-s/-ing错误：Hecanplaysfootball.正确：Hecanplayfootball.2.否定句直接加can't，不用don't/doesn't错误：Shedoesn'tcanswim.正确：Shecan'tswim.动词-ing形式——用途动词-ing形式：动词的一种变形，本单元核心用途：跟在特定动词后，表达“喜好、厌恶、无所谓”常用动词：like（喜欢）、love（热爱）、hate（讨厌）、don'tmind（不介意）核心句式——喜好表达动词/短语含义结构例句like喜欢like+-ingIlikereadingbooks.don'tlike不喜欢don'tlike+-ingIdon'tlikerunning.love热爱love+-ingShelovessinging.hate讨厌hate+-ingHehatesdoinghomework.动词-ing变化规则（1）1.一般动词：直接加-ing例：play→playing；read→reading；talk→talking2.以不发音的e结尾：去e，再加-ing例：dance→dancing；write→writing；take→taking动词-ing变化规则（2）3.重读闭音节结尾（辅元辅）：双写末尾辅音，加-ing例：run→running；swim→swimming；stop→stopping4.以ie结尾：变ie为y，再加-ing例：lie→lying；die→dying（补充，贴合校园外拓展）动词-ing变化小练习1.play→____________2.dance→____________3.run→____________4.read→____________5.write→____________6.swim→____________swimmingwritingplayingdancingrunningreading喜好表达——肯定句练习1.Ilike___________(draw)picturesinartclass.2.Sheloves___________(sing)Englishsongs.3.Theylike___________(play)footballafterschool.4.Mybrotherloves___________(read)storybooks.drawingsingingplayingreading喜好表达——否定句练习1.Idon'tlike__________(get)upearlyonweekends.2.Hedoesn'thate__________(do)homework.3.Theydon'tlike__________(swim)intheriver.4.Shedoesn'tmind__________(help)others.gettingdoingswimminghelping喜好表达——易错点1.这些动词后，必须接-ing，不能接动词原形错误：Ilikeplaybasketball.正确：Ilikeplayingbasketball.2.主语是三单时，只变前面的助动词，ing形式不变错误：Shelikesplayping-pong.正确：Shelikesplayingping-pong.综合单选（1-5）1.—Canyou______thepiano?—Yes,Ican.A.playB.playsC.playing2.She______like______homeworkafterschool.A.don't;doB.doesn't;doingC.doesn't;do3.You______talkloudlyinthelibrary.It'snotallowed.A.canB.can'tC.don't4.Ilove______songs.It'sveryrelaxing.

A.singB.singsC.singing5.—CanIuseyourpen?—Sure,you______.

A.canB.can'tC.doABBCA

6.He______swim,buthecanplayfootball.

A.canB.can'tC.doesn't7.Theydon'tmind______togetherongroupprojects.A.workB.worksC.working8.—CanyoursisterspeakChinese?—No,she______.A.canB.can'tC.don't9.Mybrother______hate______upearly.A.don't;getB.doesn't;gettingC.doesn't;get10.Wecan______theteacherforhelpwhenwehavequestions.A.askB.asksC.askingBCBBA用所给词适当形式填空

1.Ican_________(help)youwithyourEnglish.2.Sheloves_________(dance)inthemusicclass.3.Canyou_________(say)"Thankyou"inFrench?4.Hedoesn'tlike_________(run)inthemorning.5.Wecan't_________(play)gamesinclass.helpdancingsayrunningplay6.Theydon'tmind______________(work)withtheirclassmates.7.Mysistercan______________(draw)beautifulpictures.8.Ihate______________(do)thedishesafterdinner.9.—Canhe______________(swim)?—Yes,hecan.10.Shelikes______________(read)booksinthelibrary.workingdrawdoingswimreading判断句子中can的用法（A=能力/P=许可）1.Icanplaytheviolinverywell.______2.CanIborrowyournotebook?______3.Youcan'truninthehallway.______4.Shecanspeakthreelanguages.______5.Wecanreadbooksafterclass.______APPAP句型转换1.Icanplaybasketball.（改为否定句）2.ShecanspeakEnglish.（改为一般疑问句+肯定回答）3.Helikesplayingfootball.（改为否定句）Ican'tplaybasketball.CanshespeakEnglish?Yes,shecan.Hedoesn'tlikeplayingfootball.4.Theylovereadingstorybooks.（对划线部分提问）5.Canyouswim?（改为否定句）6.Idon'tlikedoinghomework.（改为肯定句）Whatdotheylovedoing?Ican'tswim.Ilikedoinghomework.易错点总结1.can：无人称变化，后接动词原形；否定用can't2.动词-ing：记清4条规则，不发