江苏省苏州市昆山市七年级英语下册 Unit 7 Abilities Grammar课件1 （新版）牛津版.ppt

unit7abilities grammar1 it rideabikenow butit rideabikelastyear task1 totalkaboutabilities step1 freetalk can couldn t she rowaboat butshe rowaboatin2014 can couldn t rideabike nowthegirlcan butshecouldn t 2yearsago playbadminton now can couldnot couldn t inthepast swim now can couldnot couldn t lastmonth flyakite kites now can couldnot couldn t lastweek can could 用于一般现在与将来时 用于一般过去时 using can could totalkaboutability step2 conclusion weuse can totalkaboutpresentability weuse could totalkaboutabilityinthepast step3 makeadialogue a ican cannot can t cannot swim whataboutyou b ican buticouldn t lastyear step4 realtimepractice 1 can simonflyakitebefore no he 2 theman can writewithhislefthand 3 mrssun cannot getoutbecauseshehurtherleg 4 what idoforyou can 5 theman swimacrosstheriverwhenhewasyoung can 6 can ismokehere no you lookatthesign 1 caniborrowyourbike millie yes youcan hereyouare 2 couldismokehere sorry i mafraidyoucan t 3 mayiuseyourmobilephone ofcourseyoumay step5 discussandfindoutthedifference task2 toaskforpermission step1 learnbyyourselves 1 can与couldcan常用于口语中 表示非正式的请求 请求对象一般是家人或朋友 e g caniborrowyourbike simon 西蒙 我可以借一下你的自行车吗 ofcourse 当然可以 canihavesomemilk mum 妈妈 我可以喝点牛奶吗 yes youcan 好的 could是can的过去式 在口语中 could常用来代替can向对方更委婉地提出请求 用法上比can正式 可以用于向老师或长辈提出请求 这时could不表示过去 回答一般还是用can e g couldiuseyourcomputer please 请问 我可以用一下你的电脑吗 yes youcan 可以 couldihandinourhomeworklater mrlin 林老师 我可以稍后交作业吗 no youcan t 不 不行 2 maymay也可以用来征求对方意见 意为 可以 相当于could 用法也比can更正式 更礼貌 一般用于向陌生人或所尊敬的人请求许可 e g mayiaskyouaquestion 我可以问你一个问题吗 yes please 可以 请问 mayicomein mrwu 吴老师 我可以进来吗 no youcan t 不行 step2 practice1 dick iuseyoure dictionary yes please yougiveittomikeafteryouuseit a will wouldb may mightc can couldd shall shouldcouldihavesomebottlesoforange yes you a dob couldc wouldd can3 mayigoswimmingalonethisafternoon dad no you itisdangerous a maynotb mustn tc needn td don t c d b ivisitjackonsunday yes you a must canb may mayc need needd may need 5 youturndown 调小 yourradio please yes icana mayb needc mustd can6 iborrowyourhistorybook sure hereyouare a mayb mustc needd will b d a task3 production1 mrsliis80yearsold soshe walkfast a couldb couldn tc can td can2 lucyandlilysingthissonglastyear yes they a can canb could couldc could couldn td cancan t3 mycousinisgoodatsports he veryhigh a canjumpsb can tjumpc cansjumpd canjump c b d 4 mrssmith beathomenow sheflewtohainanthismorning a mustn tb can tc maynotd needn t5 lookout theknifeisverysharp you cutyourfinger a mustb shouldc mayd need6 couldyougivemeahand a allrightb notatallc noproblemd yes ican b c c 7 jimspeakenglish no he 8 youplaythepianoattheageof4 yes i 9 youusecomputerlastyear yes i 10 sheplaybasketba