2022春七年级英语下册 Unit 7 Abilities语法专练课时作业 （新版）牛津版

2022春七年级英语下册 Unit 7 Abilities语法专练课时作业 （新版）牛津版这三个词都是情态动词。情态动词本身有一定的意义,但没有人称和数的变化,需要和实义动词一起构成句子的谓语部分,表示说话者的情感、态度和语气。1.can和could表示能力。(1)can意为“能,会”,用来表示某人现在的能力;could是can的过去式,用来表示某人过去的能力。例如:I couldnt understand his words last year,but now I can.去年我还不能理解他的话,但现在我能理解了。(2)can表示能力时,与be able to同义,二者一般可互换,但can只有一般现在时和一般过去时两种时态,而be able to中的be动词的形式根据句子所用时态变化。例如:You will be able to pass the exam tomorrow.明天你能通过考试。2.can,could和may表示许可。情态动词can,could和may可以用来表示请求或许可。情态动词could表示一种委婉的语气,比can表达更有礼貌,常用于问句中。may较正式。注意:对情态动词could的回答不能用could,只能用can。例如:Could I borrow your ruler?我可以借你的尺子吗?Yes,you can./Sorry,you cant.是的,你可以。/对不起,你不可以。感叹句1.感叹句是用来表达喜怒哀乐等强烈感情的句子。感叹句一般由what或how引导,句末加感叹号。2.感叹句的构成。(1)what引导的感叹句句型。what的基本句型例句What+a/an+形容词+可数名词单数(+主语+谓语)! What an interesting story (it is)!(它是)多么有趣的一个故事啊!What+形容词+可数名词复数(+主语+谓语)!What beautiful flowers (they are)!(它们是)多么漂亮的花啊!What+形容词+不可数名词(+主语+谓语)!What delicious food (it is)!(它是)多么美味的食物啊!(2)how引导的感叹句句型。how的基本句型例句How+形容词(+主语+谓语)!How kind (the girl is)!(这个女孩)多么善良啊!How+副词(+主语+谓语)! How well (she dances)!(她舞跳得)多好啊!How+主语+谓语!(此句型中how修饰动词,但动词不提前。) How time flies!时间过得真快呀!.根据句意用can,could或may填空1.Mary said she could not sing Chinese songs.2.I have six dogs.You can/may choose any of them.3.The little boycouldnot swim very well at the age of eleven.4.The boy can not be Jack.He has gone to China with his parents.5.Where is my card?I dont know.It may be in your bag.单项填空(C)1.Could we picnic here?.Have a nice time.A.Yes,you couldB.No,you couldntC.Yes,you canD.No,you cant(D)2.Pauline has lost her phone.No.Its in her bag.I hear it.A.mustB.shallC.mayD.can(B)3. interesting the film is!Yes.I have seen it twice.A.WhatB.HowC.What anD.How an(A)4. delicious these beef noodles are!A.HowB.WhatC.What aD.How a(B)5. sunshine!Shall we take a walk in the garden?A.What a beautifulB.What beautifulC.How a beautifulD.How beautiful.按要求完成句子,每空一词1.I can speak English.(改为一般疑问句,并作否定回答)Can you speak English?No,I cant.2.The old man could ride a horse.(改为同义句)The old man was able to ride a horse.3.The food is very nice.(改为感叹句)What nice foodit is!4.This movie is very interesting.(改为感叹句)How interestingthis movie is!