三年级英语下册 Unit 11《I Can》课件1 北师大版（三起）.ppt

unit11 ican period1 run climb walk jump speak hecan run hecan jump itcan walk hecan jump shecan run ican climb hecan walk hecan jump ican speak hecan run shecan jump hecan run shecan walk shecan jump itcan run itcan walk itcan jump shecan walk itcan speak hecan jump shecan speak itcanclimb canyouclimb yes ican hecanjump canyoujump yes ican hecanwalk canyouwalk yes ican hecanrun canyourun yes ican hecanspeak canyouspeak yes ican icanclimb canyouclimb no ican t icanjump canyoujump no ican t icanwalk canyouwalk no ican t icanrun canyourun no ican t icanspeak canyouspeak no ican t becareful和lookout两者均有 小心 当心 注意 之意 常用于祈使句或警告对方时的用语 lookout语气较强 用于某种紧急的情况或者可能出现危险的场合 becareful是一般的警告或劝告用语 可用于各种情况 如 lookout you llhitthatcar 当心 你要撞上那辆汽车了 lookoutfortherockintheriver 后接for短语 小心河里的石头 it sthefirsttimeforyoutotravelalone youmusttakecare 这是你第一次独自旅行 一定要小心 becareful可单独使用 也可跟动词不定式或of with短语 如 becarefulnottolosethekey 当心不要丢了钥匙 you dbetterbecarefulwithyourhandwriting 你最好书写认真些 becarefulofyourhealth 爱护你的身体 情态动词can的用法 can的特点 基本意思是 能 会 是情态动词的重要成员 shecanjump 她会跳 个性 1 在句子中不能单独做谓语 2 后面接动词原形 3 没有人称和数的变化 can的句式变化 can的肯定句式是 can 动词原形shecanrun 她会跑 sing swim rideabike shecansing hecanswim theycanrideabike shecannotsing theycannotrideabike hecannotswim 一 saywhatthepeopleinthepicturecando 根据图片提出句子 can的否定式 can not 动词原形 常用缩写形式can t 1 shecanwalk shecannot can t walk 2 icanspeak 二 把下列句子变为否定句 1 linglingcanrideahorse 2 hecanspeakchinese 3 linglinganddamingcanplaythepiano 4 myfathercanplaytabletennis 5 shecanswim can t can t can t can t can t can的疑问句 can 只需将can提到主语的前面 1 icanclimb 肯定回答和否定回答 肯定回答 yes 主语 can 1 canyoujump yes ican 否定回答 no 主语 can t 2 cansheplaythepiano no shecan t exercise 1 tom会骑自行车 2 shecansing 将其变成疑问句再作肯定回答 3 linglinganddamingcanplaythepiano 4 myfathercanplaytabletennis canlinglinganddamingplaythepiano yes theycan no theycan t canyourfatherplaytabletennis yes hecan no hecan t 四 listentothetape andthenfillintheblanks betty lingling youplayfootball lingling yes i ican footballandi play buti play betty youridea lingling no i ican can can t 1 贝蒂会说英语 但她不会说汉语 betty english she speakchinese 2 你的朋友会骑马吗 会 yourfriends yes can 3 那个女孩不会打网球 thegirl tennis 4 托尼会游泳吗 不会 tony no he 5 他们会弹钢琴 they the 眼看脑思手动 can they can swim can t 1 canyouplay piano a ab anc the2 canyoudance yes i a dob canc can t3 canhewriteenglish no he a canb can tc does4 i