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1、Unit 3 Language in use 11 Language practice Give them more personal space. Wave to say goodbye. Be careful! Dont stand too close to North Americans. “祈使句” 关注生活中的“祈使句” 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.不要让猫进来。 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
2、 question. Be quiet on class. Dont throw litter everywhere. Be friendly to classmates. Dont let the cat come in 1.定义：用于表达命令、请求、劝告、警告、禁止等 的句子叫做祈使句，祈使句最常用于表达命令，因此 又叫做命令句。 祈使句因对象（即主语）是第二人称，所以通常都省 略。祈使句的动词都为一般现在时，句末则使用句号 或感叹号来表示结束。 例：Go and wash your hands. (去洗你的手。命令) Be quiet, please.（Please be quiet.）
3、 （请安静。请求）在表达请求时，可以加上please Be kind to our sister. (对姊妹要和善。劝告） 祈使句小结 PPT模板： PPT素材： PPT背景： PPT图表： PPT下载： PPT教程： 资料下载： 范文下载： 试卷下载： 教案下载： PPT论坛： PPT课件： 语文课件： 数学课件： 英语课件： 美术课件： 科学课件： 物理课件： 化学课件： 生物课件： 地理课件： 历史课件： Watch your steps. （走路小心。警告） Look out！Danger！ 小心！危险！强烈警告 表达比较强烈的语气时，可以用感叹号。 Keep off the gras
4、s. （勿践草坪。禁止） No parking. （禁止停车。禁止） 祈使句也常把主语“You”表达出来，使对方听起来觉得柔 和些，例如： You go and tell him, Tom. （Tom, 去告诉他。） 2、相关口令 祈使句无主语, 主语you常省去; 动词原形谓语当, 句首加dont否定变; 朗读应当用降调, 句末常标感叹号。 3、表现形式 肯定结构: p Do型动词原形开头 即:动词原形(+宾语)+其它成分。 如:Please have a seat here. 请这边坐。 有的祈使句在意思明确的情况下,动词可省略。 如:This way, please. =Go this
5、way, please. 请这边走! p Be型动词Be开头 即:Be + 表语(名词或形容词)+其它成分)。 如:Be a good boy! 要做一个好孩子! p Let型动词Let开头。 即:Let + 宾语 + 动词原形 + 其它成分)。 如:Let me help you. 让我来帮你。 3、表现形式 否定结构: pDo型和Be型的否定式都是在句首加dont构成。 如:Dont forget me! 不要忘记我! Dont be late for school! 上学不要迟到! p Let型的否定式有两种: “Dont + let + 宾语 + 动词原形 + 其它成分” “Let +
6、 宾语 + not + 动词原形 + 其它成分”。 如:Dont let him go. Let him not go. 别让他走。 p No开头用来表示禁止性的祈使句。 如:No smoking! 禁止吸烟! No fishing! 禁止钓鱼! DosDonts BritainStand in line. Shake hands. Say “please” and “thank you”. Open doors for others. Look at people when you talk. Be on time. Touch people. Ask a womans age. Stand
7、 too close. Say anything too personal. 1 work in pairs. Talk about dos and donts in a foreign country. 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. Its important to listen to the teacher. Listen to the te
8、acher. 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. Do shak
9、e hands when you meet a friend. Do stand in line. Do expect rain. Please talk about the weather. Do Say “please” and “thank you”. Do look at people when you talk Dont touch people. Dont ask people personal question. Dont ask womens age. Dont talk with food in your mouth. Dont be late. 4 Answer the q
10、uestions. Use the words and expressions from the box to help you. all right arm in arm close different hold on to kiss three times point at shake hands with wave 1.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
11、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 isn
12、t. No ,it isnt. I wave my hand. 1. _ this kind of peach, and you will like it. A. To try B. Trying C. Try D. Tried 2. _, or youll be late. A. Hurry up B. Take it down C. To hurry up D. Hurries up 3. Ssh! _ talk loudly. The baby is sleeping right now. A. Do B. Does C. Dont D. Doesnt 选择： 4. “_ exercis
13、e every day, my child. Its good for your health,” Father said. A. Taking B. To take C. Take D. Takes 5. Dont _ too much TV. Its bad for your eyes. A. watch B. watched C. watching D. to watch 6. _ sleep too late. Its bad for your health. A. Do B. Not C. Dont D. Please not 1.Dont be late again, Mike?
14、_. A. No, I dont B. Dont worry C. Sorry, I wont D. I dont know 【解析】选C。 2.Hurry up, or you will miss the train.(改为同义句) _you _ hurry up, you will miss the train. 【解析】If;dont。祈使句+or+简单句。 可转换为if引导的条件状语从句的复合句。 3.Tom!_ talk loudly. My little brother is sleeping. A. Do B. Does C. Dont D. Doesnt 4.Sorry for being late again. _here on time next time, or youll be punished. A. Be B. Being C. To be D. Been 【解析】选A。 【解析】选C 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
