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1、Unit7AbilitiesGrammarDoyouknowthesesports?rideabike...couldnot...now...can...swim/haveaswim...couldnot...now...can...ski...couldnot...now...can...Using“can”/“could”totalkaboutability.1.Weuse“can”totalkaboutpresentability.Weuse“could”totalkaboutabilityinthepa
2、st.e.g.Ican(cannot/can’t/cannot)swim.Whataboutyou?Hecould(couldn’t/couldnot)danceinthepast.Whataboutyou?Grammar—CanIborrowyourbike,Millie?—Yes,youcan.Hereyouare.—CouldIsmokehere?—Sorry,I’mafraidyoucan’t.—MayIuseyourmobilephone?—Ofcourseyoumay.Using‘can’,‘cou
3、ld’,‘may’andtotalkaboutpermission1.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c
4、ould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
5、？—Yes,please.可以，请问。—MayIcomein,MrWu?吴老师，我可以进来吗？—No,youmaynot.不行。Completetheconversationonpage85withcan,could,ormay.Could/MaycanCancanCouldcan’tCould/MaycanCanThegirlisverypretty.Whataprettygirlsheis!Howprettythegirlis!感叹句Thefrogisverystrange.Whatastrangefrog
6、itis!Howstrangethefrogis!Theflowersareverybeautiful.Whatbeautifulflowerstheyare!Howbeautifultheflowersare!Howtallthemanis!Whatatallman(heis)!Whatalovelygirlsheis!Whataneasyquestionitis!Whatinterestingfilmstheyare!(1)what+a/an+形容词+可数名词单数（+主语+谓语）!(2)what+形容词+可
7、数名词复数（+主语+谓语）!what引导的感叹句：Whatimportantnewsitis!(3)what+形容词+不可数名词（+主语+谓语）!Howheavytherainis!Howquicklytheboyruns!(1)How+形容词(+主语+连系动词)!(2)How+副词(+主语+行为动词)！How引导的感叹句：Completethedialogueonpage86with‘What’and‘How’.HowWhatHowHowWhatRememberthenewwordsinthislesson.
8、Dotheexercisesontheworkbook.Homework
