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Unit 3 Language in use To learn to use Imperatives to express your attitude Language practiceGive them more personal space.Wave to say goodbye.Be careful!Dont stand too close to North Americans. 关注生活中的“祈使句” 一、定义：祈使句用来表达叮嘱、劝告、希望、禁止、警告、请求或命令等。祈使句最常用来表达命令,因此又叫做命令句。Go and wash your hands. 快去洗手。 （命令）Be quiet, please. 请安静。 （请求） Be kind to our sister.要对我们的妹妹友善。 （劝告）Watch your steps.走路小心。 （警告）No littering.不要乱扔垃圾。 （禁止）Dont forget to take an umbrella.不要忘了带雨伞。 （叮嘱） 二、祈使句的特点： 祈使句一般没有主语，说话的对象都是第二人称“你”或“你们”，所以也可以理解为省略了主语you。 在表达请求时，可以加上please；表达比较强烈的语气时，可以用感叹号。 eg: Please close the door. 请把门关上。 Sit down, please. 请坐。 三、祈使句的结构：肯定形式：以动词原形开头，无时态和数的变 化。 Stop! 停！ Hurry up! 快点！ Please dont do it.请不要这么做。否定形式： 1、祈使句的否定形式是在动词原形前加dont。 2、No+名词或 动词-ing,用来表示禁止性的祈 使句。 Dont be late again. 不要再迟到了。 No smoking.禁止吸烟！ 练习： 将下列汉语翻译成英语。 1. 请照看好您的包。 _. 2. 让我们去学校吧! _! 3. 亲爱的,高兴点儿! _! 4. 不要把书放这儿。 _. 5. 不要让猫进来。 _. Please look after your bag. Lets go to school. Be glad, dear Dont put the book here . Dont let the cat come in 课 堂 练 习 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 Touch 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. Shake hands when you meet a friend.Stand in line.Please talk about the weather.Say “please” and “thank you”.Look at people when you talkDont touch people.Dont ask people personal question.Dont ask womens age.Dont talk with food in your mouth.Dont be late. 3. Rewrite the sentences.Eg. Its important to listen to the teacher. Listen to the teacher. You cannot shout in the classroom. Dont shout in the classroom. 1. Its important to be careful.2. Its important to clean and tidy the lab.3. You cannot touch anything if the teacher doesnt ask you to.4. You cannot bring food or drink into the lab.5. You cannot enter the lab alone.Be careful.Clean and tidy the lab.Dont touch anything if teacher isnt ask you to.Dont bring food or drink into the lab.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 onto kiss three times point at shake hands with wave1.How do the British say hello to each other when they first meet?2. Does body language mean the same thing in different countries?They shake hands with each other.No , it doesnt. 3. How do the Russians say hello to each other when they meet?4. Is it polite to stand close to North Americans?5. Is it all right to wave goodbye in Greece?6. How do you usually say goodbye with body language?They usually kiss three times.No ,it isnt.No ,it isnt.I wave my hand. Around the w rldThe Japanese bowIn Japan, people bow to say “thank you”, “sorry” ,“hello”，“goodbye”, “youre welcome”，“excuse me”, and many other things. Children and young people bow lower when they greet older people. Its a way of being polite and showing respect. 1. _ this kind of peach, and you will like it. A. To try B. Trying C. Try D. Tried2. _, or youll be late. A. Hurry up B. Take it down C. To hurry up D. Hurries up3. Ssh! _ talk loudly. The baby is sleeping right now.A. Do B. Does C. Dont D. Doesnt 一、选择题 4. “_ exercise every day, my child. Its good for your health,” Father said. A. Taking B. To take C. Take D. Takes5. Dont _ too much TV. Its bad for your eyes. A. watch B. watched C. watching D. to watch6. _ sleep too late. Its bad for your health. A. Do B. Not C. Dont D. Please not 二、用括号内所给动词的恰当形式填空。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! 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 Give Dont let 三、翻译下列各句。 1. 咱们一起玩吧！ 2. 请不要迟到。 3. 回答这个问题。4. 不要这么吵。5. 上课安静。6. 不要随处乱扔垃圾。 7. 友好待人。 Lets play together.Dont be late, please.Answer the question.Dont make such a noise.Be quiet on class.Dont throw litter everywhere.Be friendly to classmates. Write ten short imperatives. You can use dos and donts.
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