七年级英语下册 Unit5 Grammar同步授课优质课件 牛津版.ppt

unit5abilitiesgrammar using can could totalkaboutabilityweuse can tosaythatweareabletodosomethingnow weuse could tosaythatwewereabletodosomethinginthepast eg ican cannot can t cannot swim whataboutyou hecould couldn t couldnot danceinthepast whataboutyou makesentenceslikethis 1 askandanswerquestionsaboutabilitylikethis 1 can run yes can no cannot can t 2 could swiminthepast yes could no couldnot couldnot completetheconversationonpage83 usethetableinparta1onpage82tohelpyou taketurnstoaskandanswerquestionsusing can or could trytomakedialoguesinpairs 1 youspeakjapanese 2 youplaythepianolastyear 3 youcook 4 youuseacomputerwhenyouwere3 5 yourideabicyclewhenyouwereveryyoung 6 youunderstandenglishtvprogrammesin2000 can could can could could could aguessinggame itcanfly itcansitontopofatree itcansing itcanflyalongway somecanflytoothercountries whatisit canyoumakesimilarriddles readthesentencesonpage80orpractisethembyaskingquestionsinpairslikethis 1 whycanyougoskiingincanada 2 whycan tyougoswimmingtoday 3 why notes a can表示 理论上的可能性 用于谈论不可更改的客观事实 englandcanbewarminseptember withoutwater therecanbenolifeontheearth 1 can may might could表示 可能性 b may表示 现实的可能性极大 youmaybelateforclass c might表示 有实际的可能性 但可能性不是很大 willyouanswerthetelephone itmightbeyourmother d could表示 仅仅有发生的可能性 可能性极小 youcouldberight butidon tthinkyouare 2 icaughtafishafterwaitingformanyhours 3 within in是一个介词 表示 以内 不超过 距离 时间 范围等 4 theweatherisverynice weather是不可数名词 多好的天气啊 5 it shighlypossiblethati llgowalkinginsteadofswimming 他在5分钟内完成这项工作是不可能的 icaughtafishafter formanyhours iwaited whatnice good fineweatheritis it simpossiblethathecanfinishtheworkwithin5minutes it simpossibleforhimtofinishtheworkwithin5minutes grammar1expressionswith what and how 感叹句 doyouknowanythingaboutfrogs whatabeautifulfrog howbeautifulthefrogis whata frog how thefrogis whatapoisonousfrog howpoisonous is frog thefrogis whatbeautifulfrogs howbeautifulthefrogsare what how thefrogsare wherecanfrogslive thesea theriverorthelake howsaltythewateris whatsaltywater how thewateris what water howbeautifulthefrogis howbeautifulthefrogsare howsaltythewateris how 形容词 主语 谓语 whatabeautifulfrog whatbeautifulfrogs whatsaltywater what a an 形容词 可数名词的单数 what 形容词 可数名词的复数 what 形容词 不可数名词 whatastrangebird howstrangethebirdis whata bird how thebirdis how themosquitoesare what what how what how ababypandaisonly100gramsatbirth how what what how arepeopleafraidofsnakes cansnakeskillpeople 这些蛇多毒呀 这女孩真棒呀 what 多酷的男孩 多危险的动物呀 how i 一 根据中文写出单词1 these 青蛙 are 有毒的 2 ihate 蚊子 they rethemost 危险的 3 heissuchan 优秀的 students 4 thosebabyanimals 死了 frogs poisonous dangerous excellent died mosquitoes 二 把下列句子改成感叹句1 thesefrogsareverybeautiful thosefrogsare frogs 2 that sastrangequestion questionthatis thatquestionis howbeautiful whatbeautiful whatastrange howstrange 3 thebeefisverydelicious itis thebeefis 4 mosquitoesareverydangero