1、Unit 4Why don t you talk to your parents?,Section A Grammar Focus,Grammar Focus,表达征求意见的用法：,What/How about名词/动名词？,Why dont you? 是否定性特殊疑问句。,Why not动词原形？,Grammar Focus,Could 和should 的用法,1. Why dont you do sth.? 这是给别人提建议, 建议某人做什么事情的句型。e.g. Why dont we come more often? 咱们为什么不经常来这里呢?e.g. Why dont you buy
2、a book for your father? 给你爸爸买本书怎么样？这个句子还可以写成Why not do?e.g. Why not get her a camera? 为什么不给她买个相机呢？这个句型还有发出礼貌地邀请的用法。Why dont you have a drink of tea? 请喝茶。= Why not have a drink of tea?,如：Why dont you come with me?= Why not come with me?肯定回答：Good idea / OK / All right /Sounds good等。否定回答：Im afraid not
3、/ Thats too /Sorry, I cant等。,2. How/What about? 表示“怎么样/好吗？”这个句型是询问听话这一方对某事物的看法或者意见。about是个介词, 它后面要接名词或者doing。e.g. How about his playing football? 他足球踢得怎么样？ What about swimming with us? 和我们一起游泳怎么样？ How about her English? 她的英语怎样?,How about some tennis balls? / What about a watch?【动词填空】 How about _ (go
4、) to Guilin for a vacation this year? Good idea!【用法透析】 How about ?和Whatabout ?也可用于征求意见或提出建议，意为“怎么样?” about是介词，后可接名词、代词、V-ing形式。如： What about (having) another piece of bread? No, thanks. Im full.,going,3. could和should都可以用来表示建议或劝 告，前者比后者在语气上更加婉转、客气。 could意为“可以” should意为“应该;应当”。 e.g. I need some money
5、to pay for the summer camp.You should / could borrow some money from your brother.我需要些钱来支付（参加）夏令营的费用。你应该/可以向你的哥哥借一些钱。,1). could的用法Could是can的过去式，在比较委婉客气 地提出请求或陈述用法时，一般多用could，回答时则用can,例如：Could you please tell us where we show our tickets?Yes, I can.你能告诉我们在哪里检票吗？可以，我能。,在“Could you.?”句型中，could仅表示语气的婉转，
6、而不是过去时。在希望得到肯定答复时，以及在表示建议、请求和征求意见时句中常用some和something，而不用any和 anything。例如:Could you lend me your bike, please?请把你的自行车借给我好吗？Could you please say something about your family?你能说说你的家庭情况吗？,另外，could还有以下用法：用来表示过去的能力、可能性或许可。例1 could read al the age of five.我5岁时就能看书。You could go with him.你可以和他一起去的。用来表示推测或条件。
7、例如：If we could help, we would.如果我们能帮上忙,我们会帮的。,2.）should的用法should是情态动同,它必须和其它动同一 起构成谓语，没有人称和数的变化,表示劝告或建议，意为“应该(当)”。例如：I have a very bad cold.You should lie down, have a rest and drink more water.我得了重感冒。你应该躺下休息，多喝水。,should作为情态动词，可以表谦逊、客气、委婉之意。例如：I should say that it would be better to try it again. 我倒
8、是认为最好再试一试。You are mistaken, I should say.据我看，你搞错了。He should expect their basketball team to win the match.他倒是希望他们的篮球队赢得这场比赛。,should还可以表示一种义务或责任，意为“应该”。例如：You should finish your homework before you play games on the computer.你应该先完成你的家庭作业，然后再玩电脑。,You should / could do 意为“你应该 （可以） 做” Lets do 意为“让我们做吧!”
9、 Youd better (not) do 意为“你最好 （不）做” Its best to do . 意为“做再好不过 了。” Shall we do ? 意为“我们做好 吗？”,表示“建议”的多种句型, Why dont you do sth.? 这是给别人提建议，建议某人做什么事情的句型。如：Why dont we come more often? 咱们为什么不经常来这里呢?Why dont you buy a book for your father? 给你爸爸买本书怎么样？,Summary,这个句子还可以写成 Why not do?如: Why not get her a camer
10、a? 为什么不给她买个相机呢？这个句型还有发出礼貌地邀请的用法。如:Why dont you have a drink of tea? = Why not have a drink of tea? 请喝茶。, How/What about? 表示“怎么样/好吗？”这个句型是询问听话这一方对某事物的看法或者意见。about是个介词，它后面要接名词或者doing。如：How about a scarf?How about going to swim?,You should / could do 意为“你应该 （可以） 做” Lets do 意为“让我们做吧!” Youd better (not)
11、do 意为“你最好 （不）做” Its best to do . 意为“做再好不过 了。” Shall we do ? 意为“我们做好 吗？”,1. A: Whats wrong?B: My sister borrows my clothes without asking. What should I do?A: Well, you could tell her that this makes you angry _ shell ask you next time.2. A: I dont have any friends at my new school. What should I do?
12、B: _you dont have any now, you will soon make some.,4a. Fill in the blanks with although, so that or until.,so that,Although,3. A: Im worried about my school grades. Whats your advice?B: You shouldnt wait _the last minute to study for a test.A: Mike is my best friend, but he always copies my homewor
13、k. What should I do?B: _ hes your best friend, you should still tell him that copying others homework is wrong.,until,Although,Im very shy. Advice：_ _2. My sister and I fight all the time. Advice：_ _,4b. Write one piece of advice for each problem. Then compare your advice with your partners and deci
14、de whether the advice is good or bad.,You should make more friends and communicate with them often.,You could communicate with her when you hold different opinions.,3. My sister spends all evening on the phone. Advice：_ _4. My cousin borrows my things without returning them. Advice：_ _5. My parents
15、wont let me have a pet. Advice：_ _,You could advise her to help with housework or go for a walk.,You could make him know its wrong to do that.,You should promise them that you will never let it affect your study.,4c Choose one of the problems and ask your classmates for advice. Decide which classmat
16、e has the best advice.,You left your homework at home.Your best friend is more popular than you. You are afraid of speaking in front of people. Your best friend does not trust you anymore. Your parents always argue.,Problems,A: My best friend is more popular than me. I want to be like him. What shou
17、ld I do? B: You could try to be friendlier.C: You should just be yourself.,A: Im afraid of speaking in front of people. What should I do? B: You should take it easy. Just be confident and calm when in public.,1. How about_ (go) shopping with me this afternoon.2. Why not _(踢) football with me?3. Youd
18、 better _(stay) in bed until tomorrow.4. What should I _(买) for my sister?,一 基础训练：根据所给提示完成句子：,going,play,stay,buy,5. What should I _ (get) my mom for her birthday ?6. Why dont you _ (get) her a scarf ?7. Why not _ (get) her a scarf ?8. How/What about _ (get) her a scarf ?,getting,get,get,get,二 能力提升：
19、句型转换1 Why dont you get your brother a nice pencil case?(同义句)Why_ _your brother a nice pencil case?2 How about reading an English story? (同义 句转换)_ _ reading an English story?3 Shall we go skating? (同义句) Lets _ _.,not get,What about,go skating,三 拓展提高：l. How about _calendar?A. buyB. to buyC. buying2. I believe that singing English songs help me _my English.A. impro
