江苏省某中学：7Bunit7grammar课件(牛津译林版七年级下册).ppt-(课件无音视频)

1、Studing Aims：（学习目标）1.能识别并理解使用can和could表示现在和过去的能力 2.能识别并理解如何使用can、could和may表示许可The woman can smoke.No smoking!(禁止抽烟）禁止抽烟）Smoking is bad for your health.smoke/smuk/v.吸（烟），抽（烟）吸（烟），抽（烟）take an X-ray/eksrei/n.X射线，射线，X光光 camera/kmr/n.照相机照相机 By the way,may I borrow your camera?顺便问一下顺便问一下 No problem.没问题。没问

2、题。Do you know these sports?I could not ride a horse at five.Now I can.ride a horse ride a bike.could not.now.can.Make sectences as the model(仿照例子造句）仿照例子造句）:A:Can you.?B:Yes,I can.(No,I cant.)A:Could you.five years ago?B:Yes,I could.(No,I couldnt.)play tennis.could not.now.can.swim.could not.now .can

3、.fly a kite/kites.could not.now .can.ski.could not.now.can.skate.could not.now.can.1.Using“can”/“could”to talk about ability.（We use“can”to talk about present ability.We use“could”to talk about ability in the past.表示能力时，意为表示能力时，意为“能、会能、会”）e.g.I can(cannot/cant/can not)swim.What about you?He could(co

4、uldnt/could not)dance in the past.What about you?1.Can I borrow your bike,Millie?Yes,you can.Here you are.2.Could I smoke here?Sorry,Im afraid you cant.3.May I use your mobile phone?Of course you may.Put the folowing into Chinese:2.Using“can、could、may”to talk about permission（许可）（许可）,意为意为“可以可以”1.can

5、 与与 could can 常用于口语中，表示非正式的请求，常用于口语中，表示非正式的请求，请求对象一般是家人或朋友。请求对象一般是家人或朋友。e.g.Can I borrow your bike,Simon?西蒙西蒙,我可以借一下你的自行车吗？我可以借一下你的自行车吗？Of course.当然可以。当然可以。Can I have some milk,Mum?妈妈，我可以喝点牛奶吗？妈妈，我可以喝点牛奶吗？Yes,you can.好的。好的。could是是can的过去式。在口语中，的过去式。在口语中，could常用来代替常用来代替can向对方更委婉地提出请向对方更委婉地提出请求，用法上比求，用

6、法上比can正式，可以用于向老正式，可以用于向老师或长辈提出请求，这时师或长辈提出请求，这时could不表示不表示过去，回答一般还是用过去，回答一般还是用can。e.g.Could I use your computer,please?请问，我可以用一下你的电脑吗？请问，我可以用一下你的电脑吗？Yes,you can.可以。可以。Could I hand in our homework later,Mr Lin?林老师，我可以稍后林老师，我可以稍后交交作业吗？作业吗？No,you cant.不，不行。不，不行。2.may may也可以用来征求对方意见，意也可以用来征求对方意见，意为为“可以可以

7、”，相当于，相当于could，用法也，用法也比比can更正式，更礼貌，一般用于更正式，更礼貌，一般用于向陌生人或所尊敬的人请求许可。向陌生人或所尊敬的人请求许可。e.g.May I ask you a question?我可以问你一个问题吗？我可以问你一个问题吗？Yes,please.可以，请问。可以，请问。May I come in,Mr Wu?吴老师，我可以进来吗？吴老师，我可以进来吗？No,you may not.不行。不行。Fill in the blanks:1._ you speak Japanese?No,I_.2._you play the piano when you wer

8、e eight?Yes,I_.3._ you cook?Yes I _.4._you use computer last year?Yes,I_.5._ you play basketball?No,I_because I_run fast.6._you ride a horse?I want but I_.Complete the conversation on page 85 with can,could,may.some phrases：Get there by bike 骑自行车到达那儿骑自行车到达那儿a good place to live 一个居住的好地方一个居住的好地方Go ca

9、mping 去野营去野营make a call on your mobile 用你的手机打用你的手机打个电话个电话I left mine at home.我的放在家里了我的放在家里了by the way 顺便问一下顺便问一下no problem 没问题没问题 The girl is very pretty.What a pretty girl she is!How pretty the girl is!The frog is very strange.What a strange frog it is!How strange the frog is!The flowers are very b

10、eautiful.What beautiful flowers they are!How beautiful the flowers are!The cakes are very delicious.What delicious cakes they are!How delicious the cakes are!A.How tall the man is!B.What a tall man(he is)!What a lovely girl she is!What an easy question it is!What interesting films they are!(1)what+a

11、/an+形容词形容词+可数名词可数名词单数单数（+主语主语+谓语）谓语）!(2)what+形容词形容词+可数名词复数可数名词复数（+主语主语+谓语）谓语）!What important news it is!(3)what+形容词形容词+不可数名词不可数名词（+主语主语+谓语）谓语）!How heavy the rain is!How quickly the boy runs!(1)How+形容词形容词(+主语主语+连系动词连系动词)!(2)How+副词副词(+主语主语+行为动词行为动词)！Complete the dialogue on page 86 with What and How.1

12、.What a pretty girl she is!_ _ the girl is!2.How difficult the questions are!_ _ _ they are!3.How big the factory is!_ _ big factory _ _!How prettyWhat difficult questions What a it is4.What a clever boy!_ _ the boy _!5.How tall the trees are!_ tall trees _ _!6.What interesting books they are!_ _ th

13、e books _!7.How funny the girl is!_ _ funny girl _ _!How cleverisWhat they areare How interestingWhat ashe is 8.How old the man is!_ _ old man _ _!9.What nice books they are!_ _ the books _!10.How amazing the building is!_ _ amazing building _ _!he isWhat an How niceareWhat anit is 将下列句子改为感叹句将下列句子改为感叹句:1.The girl is very pretty.How pretty the girl is!What a pretty girl she is!2.This is an old watch.How old this watch is!What an old watch it(this)is!1.Remember the new words in this lesson.2.Do the exercises on the workbook.