江苏省兴化市昭阳湖初级中学七年级英语下册《Unit 7 Abilities grammar》课件 （新版）牛津版.ppt

grammar unit7abilities 学习目标 1 了解cancouldmay的用法2 会使用cancouldmay3 会使用感叹句 can could 用于一般现在与将来时 用于一般过去时 can could表示能力 意为 能 会 can1 能 表能力 2 可以 许可 3 可能 表可能性 could1 can的过去式 2 可能 许可 比can更委婉 可能性更小 may1 许可 可能2 比can could更正式 客气 can 语气越来越委婉可能性越来越来小 could may 回答时用can 表示肯定的语气 can could和may都可以表示许可 意为 可以 could比can更有礼貌 更委婉地提出请求 想法 此时的could不表示过去 回答时肯定用can 否定用can t may是正式场合 用于对长辈 老师或陌生人 ican rideabike lookandsay whatcanido ican playbasketball whatcanido he thecello 大提琴 canplay whatcanhedo ican everyday doexercises whatcanido flyakiteonthebeach what ido can ican hecanswim hecouldswimlastyear hecanflyakite hecouldflyakitelastyear hecanrideabike hecouldrideabikelastyear shecanrowaboat shecouldrowaboatlastyear hecanplaytennis buthecouldplayitlastyear shecancook shecouldcooklastyear 句型 肯定句 主语 can could do原形否定句 主语 can couldnot do原形疑问句 can could 主语 do原形 yes sbcan couldno sbcan t couldn t 如果表达不能做某事 可以在can后直接加not 成为cannot 也可以缩写为can t cannot如 icannot can t playfootball can没有人称和数的变化 不论表示谁能 不能 做某事 都是用can not icanplaytheguitarbut tom chess he itverywell canplay but can tplay ican tplayitverywell 否定句 he buthe she she canspeakenglish can tspeakitverywell canpaint but can tpaintverywell 如果是询问某人能不能做某事 则要使用can的疑问形式 即将can提至句首 如 canyouspeakchinese yes ican no ican t 一般疑问句 a cansheplaytheviolin b shecan a she b yes can dance shecan yes a heplaythedrums b no buthecanplaytheguitar can hecan t a sheplaythepiano b butshe can candance no shecan t could的用法 itcanrideabike itcouldn trideabikelastyear she rowaboat she rowaboatlastyear can couldn t rideabike i rideabikenow i rideabike2yearsago couldnot couldn t can taketurnstoaskandanswerquestionsusing can or could trytomakedialoguesinpairs 1 youspeakenglish 2 youplaythepianolastyear 3 youcook 4 youuseacomputerwhenyouwere3 5 yourideabicyclewhenyouwereveryyoung 6 youunderstandenglishtvprogrammesin2000 can could can could could could makedialoguesusingthefollowingpattern s1 canyourideabike s2 yes ican no ican t s1 couldyourideabikefiveyearsago s2 yes icould no icouldn t canhe sheflyakite yes he shecan no he shecannot can t can1 能 表能力 2 可以 许可 3 可能 表可能性 could1 can的过去式 2 可能 比can更委婉 可能性更小 may1 许可 2 比can could更正式 客气 can 语气越来越委婉肯定回答用can可能性越来越来小 could may 1 daniel iopenthedoor mrwu mrwu yes you 2 tom mum ihaveanapple mum no you it rain becauseitissunnynow it rain becauseitiscloudynow may can may can t may can 其构成是 肯定句 主 can 动词原形否定句 主 can t 动词原形一般疑问句 can 主 动词原形 肯定回答 否定回答 特殊疑问句 特殊疑问词 一般疑问句 yes 主 can no 主 can t 现在我们来总结一下 eg icandance 我会跳舞 ican tdance 我不会跳舞 canyoudance 你会跳舞吗 whatcanyoudo 你会干什么 yes ican 是的 我会 no ican t 不 我不会 canyouunderstand can could may toaskforpermission could soundsmorepolitethan can mayisformal 1 caniborrowyourbike millie yes youcan hereyouare 2 couldismokehere sorry i mafraidyoucan t 3 mayiuseyourmobilephone ofcourseyoumay what how感叹句的用法 会使用what how感叹句 1 把钥匙忘在教室了2 顺便问一下3 没问题4 看透墙5 用他的眼睛烧东西6 听得很远7 多奇怪啊 8 和光一样快9 多有趣的一个主意 10 多优美的音乐 leftthekeyintheclassroom bytheway noproblem seethroughwalls burnthingswithhiseyes hearthingsfaraway howstrange runasfastaslight whataninterestingidea whatnicemusic whatabigpencilboxitis howbigthepencilboxis whatbeautifulflowerstheyare howbeautifultheflowersare theflowersarebeautiful whatbeautifulflowerstheyare howbeautifultheflowersare thecatislovely whatalovelycatitis howlovelythecatis pretty howprettythelittlegirlis whataprettygirlsheis howtallthemanis whatatallman heis workouttherules itis theyare itis 用what a an 或how填空 1 excitingmusicitis 2 happilytheyareplaying 3 amazingfilmtheysaw 4 lovelyanimalstheyare 5 amazingmatchitis what how whatan what whatan what与how大转换 1 whataprettygirlsheis thegirlis 2 howdifficultthequestionsare theyare 3 howbigthefactoryis bigfactory howpretty whatdifficultquestions whata itis 4 whatacleverboy theboy 5 howtallthetreesare talltrees 6 whatinterestingbookstheyare thebooks 7 howfunnythegirlis afunnygirlsheis howclever are what howinteresting what theyare is 8 howoldthemanis oldman 9 whatnicebookstheyare thebooks 10 howamazingthebuildingis amazingbuilding whatan heis hownice are whatan itis 小结 感叹句通常有what how引导 表示赞美 惊叹 喜悦等感情 how 形容词 a 名词 陈述语序how 形容词或副词 陈述语序what 名词 陈述语序what a 形容词 名词 陈述语序what 形容词 复数名词 陈述语序what 形容词 不可数名词 陈述语序 howcleveraboyheis howlovelythebabyis whatnoisetheyaremaking whatacleverboyheis whatwonderfulideas wehave whatcoldweatheritis 感叹句的省略形式为 whatacleverboy heis lucycanplaythepiano 改为一般疑问句并作肯定回答 2 mikecanswim 改为否定句 句型转换 canlucyplaythepiano yes shecan mikecan tswim 3 canyouplaychess 否定回答 4 theycanspeakenglish 变为否定句 they english no ican t can tspeak 翻译句子 1 比尔会弹钢琴吗 是的 他会 但是他不会唱歌 2 她会唱歌吗 不 她不会 但是她会跳舞 canbillplaythepiano yes hecan buthecan tsing canshesing no shecan t butshecandance 3 去年他不会划船 但现在他能划得很好 4 年轻人能为老年人做很多事情 hecouldn trowaboatlastyear butnowhecandoitwell youngpeoplecandomanythingsfortheelderly 5 我的网球拍 tennisracket 坏了 昨天我就不能打球了 6 多么勇敢的年轻人啊 7 太棒了 mytennisracketwasbroken soicouldn tplaytennisyesterday whatabraveyoungman howwonderful iv 单项选择 foodyou vecooked a howaniceb whatanicec howniced whatnice 2 terribleweatherwe vebeenhavingthesedays a whatb whatac howd howa homework makesentenceswith can could what how thankyou a i readthearticleatal