Unit 2 Topic 2 Section D(含音頻) 仁愛(ài)版八年級(jí)英語(yǔ)上冊(cè)

1、Unit 2 Keeping Healthy Topic 2 I must ask him to give up smoking.Section D1.表示能力He can draw, but he cant read a story.他會(huì)畫(huà)畫(huà)，但不會(huì)讀故事。2. 表示可能The girl cant be Amy because she went to study inanother school.那個(gè)女孩不可能是埃米，因?yàn)樗D(zhuǎn)學(xué)了。3.表示請(qǐng)求，允許Can I walk to school with you?我可以和你一起走去學(xué)校嗎？Grammar can1.表示可能 I didnt see

2、 Jack in the classroom.我沒(méi)在教室看見(jiàn)杰克。 He may play basketball on the playground.他可能在操場(chǎng)打籃球。2.表示征求同意(此時(shí)可以與 can 互換使用，但may 語(yǔ)氣更委婉) May I watch TV now?我現(xiàn)在可以看電視嗎？ Yes, you may / can.是的，你可以。mayGrammar 1.表示必須，義務(wù)You must study hard.你必須努力學(xué)習(xí)。2.肯定形式表示推測(cè) Who is knocking on the door?誰(shuí)在敲門(mén)？ It must be Jane.一定是簡(jiǎn)。3.否定形式表示不

3、許，禁止You mustnt tell a lie.不許你撒謊。Grammar must【提示】1.表示否定的推測(cè)用 cant，而不用 mustnt。e.g. That cant be my book because Bobs name ison it. 那不可能是我的書(shū)，因?yàn)轷U勃的名字在上面。2.用must提問(wèn)的句子，其否定回答用neednt 或dont have to，而不能用 mustnt。e.g. Must I turn off the light now?我現(xiàn)在必須關(guān)燈嗎？ No, you neednt /dont have to.不，不必。Grammar Modal Verbs (

4、): must/mustnt; may; canYou _ throw litter around. He thinks smoking _ help him relax.It _ even cause cancer. I _ ask him to give up smoking._ I borrow your newspaper and show it to my father?canMaymustntmustcanGrammar _ up late is bad for your health. How terrible! Its _ for your health. Dont read

5、_ the sun. It will keep you _ during the day. inStayinggoodFunctions active1 Listen and number the following pictures.126534 Make sentences with the structures in the box. should / shouldnt We must / mustntWe should take showers often.We should wash the hands before meals.We should often open the wi

6、ndow to keep the air fresh.We mustnt drink sour milk. Make sentences with the structures in the box.We should tidy our rooms and often sweep the floor.We mustnt spit in public. Make sentences with the structures in the box. Complete the passage with the correct words. Some people think that smoking

7、_ ( must/can) help them relax. In fact, smoking is really _ (healthy/unhealthy). Do you know that there _ (is/are) over 4000 chemicals in cigarettes? These chemicals are _ (good/bad) for our bodies. They _ (must/can) cause cancer and other diseases. The smoke from cigarettes harms _ (only/ not only)

8、 smokers but also other people. Its called “second-hand smoke” and it _ (can/cant) be more dangerous and has higher risks. Smokers shouldnt use smoking to help them relax. They _ (must/mustnt) give up smoking as soon as possible.canunhealthyarebadcannot onlycanmust1. We should often open the window

9、to keep the air fresh. 我們應(yīng)該經(jīng)常開(kāi)窗保持空氣清新。keep + 賓語(yǔ)+ adj.“讓某人/ 某物處于某種狀態(tài)”。 如：Keep the windows open, please. keep 后接形容詞。意為“保持（某種狀態(tài)）”，keep作系動(dòng)詞，也可以用be替換。如：Keep quite!=Be quite! 請(qǐng)保持安靜！ Language points2. Smokers shouldnt use smoking to help them relax. 吸煙者不應(yīng)該用吸煙來(lái)放松自己。 use sth to do sth. 意為“用.去做.” 如： 我們經(jīng)常使用詞典去

10、查閱新單詞。We often use the dictionary to look up the new words. Language points3.In fact, smoking is really unhealthy事實(shí)上，抽煙真的是不健康的。 In fact 事實(shí)上 In fact, I like playing computer games. 事實(shí)上，我喜歡玩電腦游戲。 In fact, I want to eat an ice cream. 事實(shí)上，我想吃一個(gè)冰激凌。Language points4.They must give up smoking as soon as po

11、ssible. 他們必須盡可能快的戒煙。give up sth/ doing sth 放棄做某事as soon as possible 盡可能快的 as much as possible 盡可能多的 as small as possible 盡可能小的as+形容詞+as possible 可以與as.as one can 互換使用。如：Please write down your answer as fast as possible. =Please write down your answer as fast as you can. 請(qǐng)盡可能快的寫(xiě)下你的答案。Language points根

12、據(jù)漢語(yǔ)提示完成句子。1. 她不僅很會(huì)彈鋼琴，而且還會(huì)作曲。She can _ _ play the piano well, _ _ write music.2. 你最好盡快把那本書(shū)給我。Youd better give the book to me _ _ _ _.3. 他不得不放棄在中國(guó)教英語(yǔ)，因?yàn)樗孛绹?guó)了。He has to _ _ _ English. in China, because hes returning to America.4. 我原以為大衛(wèi)是在學(xué)校，但事實(shí)上他在網(wǎng)吧。I thought David was at school, but _ _ he was in the net bar.5. 許多人不應(yīng)該用喝酒來(lái)幫助他們放松。Many people shouldnt _ drinking _ _ them relax.not only but also as soon as possible give up teaching in fact use to helpExercises1. What should we do to keep healthy? Please write a passage