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1、Unit 3 Language in use To learn to use Imperatives to express your attitude 語法講解建議采用歸納法，如盡可能多的呈現(xiàn)一些相關(guān)例句，或可讓學(xué)生從已學(xué)課文中找相應(yīng)例句，引導(dǎo)學(xué)生試著從所觀察到的語言現(xiàn)象中總結(jié)出語言規(guī)則和語法規(guī)律。 在本模塊中我們接觸到了這些句子：Dont stand too close to North Americans.G ive them more personal space.Be careful!Wave to say goodbye. 課文中的這些句子叫作 。祈使句用來表達(dá)叮囑、勸告、希望、禁止

2、、警告、請求或命令等。祈使句最常用來表達(dá)命令。G o and wash your hands.快去洗手。 （命令）Be quiet, please.請安靜。 （請求） Be kind to our sister.要對我們的妹妹友善。 （勸告）Watch your steps.走路小心。 （警告）No littering.不要亂扔垃圾。 （禁止）Dont forget to take an umbrella.不要忘了帶雨傘。 （叮囑） 請仔細(xì)觀察以上祈使句，然后說出祈使句的特點(diǎn)： 祈使句一般沒有主語，說話的對象 都是第二人稱“你”或“你們”，所以 也可以理解為省略了主語you。 以動詞原形開頭，

3、無時(shí)態(tài)和數(shù)的變化。 祈使句的否定形式是在動詞原形前加dont。 在表達(dá)請求時(shí)，可以加上please； 表達(dá)比較強(qiáng)烈的語氣時(shí)，可以用 感嘆號。More examples:Please close the door.請把門關(guān)上。Sit down, please.請坐。 Come to my office.到我辦公室來。Stop! 停！H urry up! 快點(diǎn)！Please dont do it.請不要這么做。Dont be late again. 不要再遲到了。 Dont worry. Be happy.不要擔(dān)心，高興點(diǎn)兒。Dont bring any food or drink into th

4、e lab next time.下次不要把任何食物或飲料帶到實(shí)驗(yàn)室來。Dont forget to turn off the lights.不要忘記關(guān)燈。 課 堂 練 習(xí) 答 案 1 Work in pairs. Talk about dos and donts in a foreign country.Britain Dos Stand in line. Shake hands. Say please and thank you. Open doors for others. Look at people when you talk. Be on time. Britain Donts To

5、uch people. Ask a womans age. Stand too close. Say anything too personal. 2 Make a list of dos and donts to help visitors to Britain. Stand in line. Dont touch people when you talk to them. 3 Rewrite the sentences.Eg. Its important to listen to the teacher. Listen to the teacher. You cannot shout in

6、 the classroom. Dont shout in the classroom.1. Its important to be careful. Be careful. 2. Its important to clean and tidy the lab. Clean and tidy the lab.3. You cannot touch anything if the teacher doesnt ask you to. Dont touch anything if the teacher doesnt ask you to. 4. You cannot bring food or

7、drink into the lab. Dont bring food or drink into the lab.5. You cannot enter the lab alone. Dont enter the lab alone. 4 Answer the questions. Use the words and expressions from the box to help you. all right, arm in arm, close different, hold on to, kiss three timespoint at, shake hands with, wave1

8、. H ow do the British say hello to each other when they first meet? They shake hands. 2. Does body language mean the same thing in different countries? No, it means different things in different countries.3. H ow do the Russians say hello to each other when they meet? They kiss three times. 4. Is it

9、 polite to stand close to North Americans? No, it is not polite to stand close to North Americans.5. Is it all right to wave goodbye in G reece? No, it is not all right to wave goodbye in G reece.6. H ow do you usually say goodbye with body language? I usually wave. 課堂小測驗(yàn)Individual activity I.用括號內(nèi)所給

10、動詞的恰當(dāng)形式填空。1. Its an important meeting. _ (not, be) late.2. _ (not, make) any noise! Your mother is sleeping.3. _ (not, speak) with your mouth full of food.4. _ (not, talk) and _ (read) aloud. Dont beDont makeDont speakDont talk read 5. _ (not, leave) your homework for tomorrow, Larry.6. _ (look) out

11、! A car is coming.7. _ (give) us ten years and just see what our country will be like.8. _ (not, let) the baby cry.Dont leaveLook G ive Dont let II. 翻譯下列各句。 1. 咱們一起玩吧！ 2. 請不要遲到。 3. 回答這個(gè)問題。 4. 不要這么吵。 Lets play together.Dont be late, please.Answer the question.Dont make such a noise. 5. 上課安靜。 6. 不要隨處亂扔垃圾。 7. 不打架不罵人。 8. 有事請假。 9. 友好待人。 Be quiet on class.Dont throw rubbish everywhere.Dont fight or say rude words.Ask for leave.Be friendly to classmates. 1. To preview Unit 1, Module 122. To practise the vocabulary Write ten short imperatives. You can use dos and donts.