七年级英语下册_Unit_4_Don’t_eat_in_class_Section_A_2d-3c_period_2课件_(2012新版)_人教新目标版
Unit 4,Dont eat in class.,Section A 2d-Grammar Focus-3c,1、 arrive “到达” 。Dont arrive late for school. 不要上学迟到。 arrive是一个不及物动词，不能直接跟表示地点的名词。如果要跟名词，就必须加介词in或at。在大地方前加in（国家、城市等），在小地方前加at（家、学校、商店等）。 arrive in / at + 地点 get to +地点 reach +地点 (到达某地 )They arrived in Beijing at six.他们六点钟到的北京。We usually arrive at the village in the morning.我们通常在早上到那个小村庄。,Language points,1) listen 听；用来提醒某人注意，后面不跟事物。Listen! Whos singing in the classroom? 听！谁在教室里唱歌？2) 如果后面跟要听的事物，应跟介词to再跟事物。 Listen to our teacher carefully.认真听老师讲。3. fight 打架，争吵1) 作动词用 Jack never fights with his brother.杰克从不和他的弟弟打架。2) 作名词，意为“打架；争吵”; 常用词组have a fight“打架；吵架” Did you have a fight with her?你和她吵过架吗？,2. listen 的用法；,4. wear 意为“穿、戴”My aunt wears a blue skirt and a white T-shirt.我姑姑穿着蓝色的裙子，白色的T恤。Does he wear glasses? 他戴眼镜吗？5. What are the rules? 规则是什么？ Well, we cant arrive late for class. 哦， 我们上课不能迟到。 1) rule“规则”， 可数名词， 构成的短语有： obey the rules 遵守规章 be against the rules break the rules,6. What else do you have to do?else “其他的”， 用来修饰something, anything, nothing等，还可用来修饰疑问词 what, where, who等， else修饰疑问词或不定代词时应后置。如:Do you have anything else to do？Who else did you see?,7. 情态动词have to 的用法,have to意思是“必须，不得不”，侧重于客观上的必要和外界的权威。结构: 主语have to动词原形其他(一般现在时, 主语是第三人称单数时, 用has to； 如：We have to wear sneakers for gym class. 在体育课上， 我们必须穿运动鞋。Tom has to practice the guitar every day. 汤姆每天必须练习弹吉他。I had to get up at 5:00 am last Monday. 上周一， 我不得不早上5点起床。,2) 否定形式: 主语dont have to动词原形其他(一般现在时, 主语是第三人称单数时, 用doesnt have to; Nick doesnt have to wear a uniform.尼克不必穿制服。 We didnt have to do our homework at once. 我们不必马上完成作业。3) 疑问句: Do(Does)主语have to 动词原形其他如: Do you have to stay at home on weekends? 周末你必须待在家里吗？ Yes, I do. / No, I don't. 是的，我必须。/ 不， 我不必。,8. have to与must1) have to意为“必须做某事”强调“客观需要”They have to wear school uniforms every day. 他们每天必须穿校服。 2) must 意为“必须”强调主观上的愿望 Its late. I must go home now.天晚了。现在我必须要回家。1. Its cold outside. We _ stay at home.2. We _ be good with our parents.,have to/has to/ had to,dont /doesnt have to=neednt,必须 ，不得不,不必、没有必要,1.我们必须穿校服吗？,2.玛丽必须穿运动鞋上体育课。,3.琳达，你不必在上午七点前到校。,4. 他们在学校不得不做什么呢？,5. 我们必须在课上保持安静。,Do we have to wear a uniform?,Mary has to wear sports shoes for PE class.,Linda, you dont have to get to school before seven in the morning.,What do they have to do at school?,We have to keep quiet in class.,用have to或has to填空。1.We _ clean our classroom after school.2.She _ make her bed after getting up. 3.Its late. Mr Beckman _ go to work by car.4.Emily and Peter join a music club. They _ practice the guitar every day.,have to,have to,has to,has to,根据句意，用can和cant填空。1. Mr Green_ smoke here because theres a sign on the wall. It says “No smoking.”2. Its very hot outside. You_ wear a hat.3. We _ eat in the classroom because its impolite to teachers.4. I _ go to bed after 11:00 on school night.5. The students _ read books and magazines in the library.,cant,can,cant,can,cant,1. Is John new at school?_2. Are there many rules at school? _,2d Read the conversation in 2d and answer the questions.,Yes, he is.,Yes, there are.,3. Can he bright music players to school? _4. Do they have to always wear the school uniform?_,No, he cant.,Yes, they do.,2d Role-play the conversation. John:Hi,my names John.Its my first day at school.Alice:Hi,John.Im Alice. This is a great school,but there are a lot of rules.John:Really? What are some of the,rules?Alice:Well, dont be late for class.This is very important.John:Ok, so we must be on time. Can we bring music players to school?Alice:No, we cant. And we always have to wear the school uniform.John:I see.Alice:Oh,and we also have to be quiet in the library.,1. 不要在楼道里跑。 _2. 不要打架。 _3. 有什么规则？ _ 4. 我们必须按时上课. _5. 我们可以在教室里吃东西吗？_6. 不能。但我们可以在餐厅里吃东西。 _7. 我们可以在上课的时候带帽子吗？ _,阅读Grammar Focus部分，完成下列句子。,Dont fight.,Dont run in the hallways.,What are the rules?,We must be on time for class.,Grammar Focus,Can we eat in the classroom?,No, we cant, but we can eat in the dining hall.,Can we wear a hat in class?,8. 他在学校里必须穿校服吗？ _9. 是的，必须。/ 不，不必。 _10. 你们必须做什么？ _ 11. 在图书馆里我们必须保持安静。 _,Yes, he does. / No, he doesnt.,Does he have to wear a uniform at school?,What do you have to do?,We have to be quiet in the library.,肯定的祈使句： Come in, please! 请进！ Sit down, please. 请坐。 Let's go home. 我们回家吧。 否定的祈使句是在动词前(即句首)加Dont. Dont talk in class! 不要在课堂上讲话！ Dont open the window! 别开窗！ Dont be late for school! 上学别迟到,
