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Unit 7 Abilities Grammar课件(共41张PPT)

日期:2024-05-16 科目:英语 类型:初中课件 查看:44次 大小:1082863Byte 来源:二一课件通
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Unit,Abilities,Grammar,课件,41张,PPT
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(课件网) Grammar Unit 7 Abilities I can ____ _____. play basketball What can I do He ___ ____ the cello (大提琴). can play What can he do He can swim. He could swim last year. He can play tennis. He could play teenis last year. She can cook. She could cook last year. 情态动词can, could ◆ can 和could可以用来谈论主语所具备的 能力,意为“能,会”。 can表示主语现在所具备的能力; could表示主语过去所具备的能力。如: Millie _____ play the piano. 米莉会弹钢琴。 She could cook last year. 去年她会做饭。 can 如果表达不能做某事,可以在can后直接加not,成为cannot,也可以缩写为can’t。 如:I cannot (can’t) play football. can没有人称和数的变化。不论表示 谁能(不能)做某事,都是用can (not)。 I can play the guitar but Tom _____ chess ____ he _____ it very well. can play but can’t play I can’t play it very well. 否定句 He _____ but he _____. She _____ ____ she _____. can speak English can’t speak it very well can paint but can’t paint very well 如果是询问某人能不能做某事,则要使用can的疑问形式,即将can提至句首。如: — Can you speak Chinese — Yes, I can. / No, I can’t. 一般疑问句 A: Can she play the violin B: ____, she can. A: ____ she _____ B: Yes, _____. Can dance she can Yes A: ____ she play the piano B: _____, but she _____. Can can dance No, she can’t Could的用法 It can ride a bike. It couldn’t ride a bike last year. She _____ row a boat. She _____ row a boat last year. can couldn’t can could 用于一般现在与将来时 用于一般过去时 can/could表示能力(意为“能,会”) can 1. 能(表能力), 2.可以,(许可), 3.可能(表可能性) could 1.能(can的过去式), 2.可能,许可(比can更委婉,可能性更小) may 1.许可,可能 2.比can,could更正式,客气 can 语气越来越委婉 ,可能性越来越来小 could may 情态动词can, could,may ◆ can, could和may都可表示“许可”。其中could语气更委婉,比can听起来更有礼貌。may则用在比较正式的场合,常用于向老师、家长或其他长辈请求许可。 _____ the books 你能给我递一下那些书吗? _____, please 请问,你能帮我吗? _____, Mr Wang 王老师,我可以进来吗? Can you pass me Could you help me May I come in 肯定句: 主语 + can/could + 动词原形 … 否定句: 主 语+ can’t/couldn’t + 动词原形 … 一般疑问句: Can/Could/May + 主语 + 动词原形 … 肯定回答: 否定回答: 特殊疑问句: 特殊疑问词 + 一般疑问句 … Yes, 主语 + can/may. No, 主语 + can’t/may not. 构成方式: 在回答can和may提出的表示请求许可的问题时,通常用对应的词来回答,即用can提问的,就用can来回答;用may提问的,就用may来回答。例如: —Mike, can I use your pen 麦克,我能用一下你的钢笔吗? —Yes, you can. 是的,可以。 —Professor Li, may I try again 李教授,我可以再试一次吗? —No, you may not. 不,不可以。 —Could you give me a hand 你能帮我个忙吗? —Yes, I can./ No,I can't. 是的,我能。/不,我不能。 【注意】用could开头表示请求对方做某事时,回答用can 或can't。 The students are going to South Hill. Amy is talking to Mr Wu about the plete their conversation with can, could or may. A trip to South Hill A: _____ I take my cousin Shirley with us, Mr Wu M: Yes, you _____ ... ...

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