资源简介 / 让教学更有效 英语学科Unit 5 Fun Clubs重点语法归纳(记忆版)情态动词can的用法一、基本用法can是情态动词,表示说话人的主观看法或语气。它没有人称和数的变化,也不能单独在句子中做谓语,但它可以与其后的不带to的动词不定式一起构成复合谓语。1.can表示能力,常被译成“能,会”。过去式could,否定形式 couldn't。I can sing English songs.我会唱英语歌曲。2.表示请求或许可,常被用来请求对方的许可,或表示说话人自己的许可。Can I help you?我能帮你忙吗?Can you go to the picnic with us tomorrow?明天你能和我们一起去野餐吗?3.can的否定式和缩略式。can的否定形式是can not或 cannot,其缩略形式是can't。注意 can的陈述句变为疑问句时,应直接将can移到主语前面。肯定答语为“Yes,主语+can.”,否定答语为“No,主语+can't.”。二、特殊用法1.“can't+动词原形”,一定不可能,表示一种有把握的否定推测。It's Sunday today. Mr.Li can't be in the office.今天是星期天。李老师不可能在办公室。2.can表示“请求,许可”时,相当于may,但语气没有may严肃。Can I...?意思是“我可以/能……吗?”。肯定回答:Yes, you can./Yes, please./Certainly./Of course./Sure.等。否定回答:No,you can't/mustn't./Sorry.../ I'm afraid not.等。三、难点突破can/could表示“请求”及“许可”含义时,could比can的语气更加委婉、客气,常用于“Could I/you...?”句式中,表示“我/你能……吗?的意思。肯定回答用can/may,不用 could。—Could I look at your pictures?我能看看你的照片吗?—Of course,you can.当然了,你可以看。一.用所给词的适当形式填空1.Her sister can___speak___(speak)English.2.—Can he play the piano?—Yes. he___can___(can).3.—Is that girl in red Sally?—No it can't___be___(is)her. She has gone to Hong kong.4.Lucy___can't___(can not)find her pencil-box.5.—Can you go swimming with me tomorrow?—I'm sorry. I___can't___(can not).二.单项填空6.Could you please speak a little louder?I___A___ hear you very well.A.can't B.mustn't C.shouldn't D.needn't7.—___C___I swim here?—I'm sorry. Children______ swim alone here.It's very dangerous.A.Must;can't B.May;must C.Can;mustn't D.Can't;can8.I have travelled(已旅行)a lot.I___A___ speak four languages.A.can B.may C.must D.need9.—Is that red hat Mrs.Brown's?—It___C___be hers.She hates(讨厌)that color.A.may B.must C.can't10.—Robert,could you wash the car for me?—Yes___C___.I'm coming,dad.A.could B couldn't C.can D.can't11.—Can you swim?—___D___.A.Yes,I do B.Yes,I am C.No,I can D.Yes,I can12.—Can you fly a kite?—___A___It's too hard.A.No. I can't B.Yes. I can C.Yes, please D.No. I can13.You___A___ swim here. It's too dangerous.A.can't B.aren't C.don't D.doesn't14.—Can I help you?—___B___.I can do it well myself.A.Yes, please B.No, thanks C.Sorry, you can't D.That's OK15.Get up,or you can't___D___ home on time.A.to get B.gets C.getting D.get21世纪教育网(www.21cnjy.com)/ 让教学更有效 英语学科Unit 5 Fun Clubs重点语法归纳(默写版)情态动词can的用法一、基本用法can是情态动词,表示说话人的主观看法或语气。它没有人称和数的变化,也不能单独在句子中做谓语,但它可以与其后的不带to的动词不定式一起构成复合谓语。1.can表示能力,常被译成“能,会”。过去式could,否定形式 couldn't。I can sing English songs.我会唱英语歌曲。2.表示请求或许可,常被用来请求对方的许可,或表示说话人自己的许可。Can I help you?我能帮你忙吗?Can you go to the picnic with us tomorrow?明天你能和我们一起去野餐吗?3.can的否定式和缩略式。can的否定形式是can not或 cannot,其缩略形式是can't。注意 can的陈述句变为疑问句时,应直接将can移到主语前面。肯定答语为“Yes,主语+can.”,否定答语为“No,主语+can't.”。二、特殊用法1.“can't+动词原形”,一定不可能,表示一种有把握的否定推测。It's Sunday today. Mr.Li can't be in the office.今天是星期天。李老师不可能在办公室。2.can表示“请求,许可”时,相当于may,但语气没有may严肃。Can I...?意思是“我可以/能……吗?”。肯定回答:Yes, you can./Yes, please./Certainly./Of course./Sure.等。否定回答:No,you can't/mustn't./Sorry.../ I'm afraid not.等。三、难点突破can/could表示“请求”及“许可”含义时,could比can的语气更加委婉、客气,常用于“Could I/you...?”句式中,表示“我/你能……吗?的意思。肯定回答用can/may,不用 could。—Could I look at your pictures?我能看看你的照片吗?—Of course,you can.当然了,你可以看。一.用所给词的适当形式填空1.Her sister can______(speak)English.2.—Can he play the piano?—Yes. he______(can).3.—Is that girl in red Sally?—No it can't______(is)her. She has gone to Hong kong.4.Lucy______(can not)find her pencil-box.5.—Can you go swimming with me tomorrow?—I'm sorry. I______(can not).二.单项填空6.Could you please speak a little louder?I______ hear you very well.A.can't B.mustn't C.shouldn't D.needn't7.—______I swim here?—I'm sorry. Children______ swim alone here.It's very dangerous.A.Must;can't B.May;must C.Can;mustn't D.Can't;can8.I have travelled(已旅行)a lot.I______ speak four languages.A.can B.may C.must D.need9.—Is that red hat Mrs.Brown's?—It______be hers.She hates(讨厌)that color.A.may B.must C.can't10.—Robert,could you wash the car for me?—Yes______.I'm coming,dad.A.could B couldn't C.can D.can't11.—Can you swim?—______.A.Yes,I do B.Yes,I am C.No,I can D.Yes,I can12.—Can you fly a kite?—______It's too hard.A.No. I can't B.Yes. I can C.Yes, please D.No. I can13.You______ swim here. It's too dangerous.A.can't B.aren't C.don't D.doesn't14.—Can I help you?—______.I can do it well myself.A.Yes, please B.No, thanks C.Sorry, you can't D.That's OK15.Get up,or you can't______ home on time.A.to get B.gets C.getting D.get21世纪教育网(www.21cnjy.com) 展开更多...... 收起↑ 资源列表 Unit 5 Fun Clubs 重点语法归纳(记忆版).docx Unit 5 Fun Clubs 重点语法归纳(默写版).docx