七年级英语下册Unit4Don’teatincla.ppt

1、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 arri

2、ve 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

3、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 th

4、e 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haveto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havet

5、o动词原形其他(一般现在时, 主语是第三人称单数时, 用hasto； 如： Wehavetowearsneakersforgymclass. 在体育课上， 我们必须穿运动鞋。 Tomhastopracticetheguitareveryday. 汤姆每天必须练习弹吉他。 Ihadtogetupat5:00amlastMonday. 上周一， 我不得不早上5点起床。,2) 否定形式: 主语donthaveto动词原形其他(一般现在时, 主语是第三人称单数时, 用doesnthaveto; Nickdoesnthavetowearauniform.尼克不必穿制服。 Wedidnthavetodoo

6、urhomeworkatonce. 我们不必马上完成作业。 3) 疑问句: Do(Does)主语haveto动词原形其他 如: Doyouhavetostayathomeonweekends? 周末你必须待在家里吗？ Yes,Ido./No,Idont.是的，我必须。/ 不， 我不必。,8. have to与must 1) 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。

7、现在我必须要回家。 1. Its cold outside. We _ stay at home. 2. We _ be good with our parents.,We have to wear a uniform at school.,We have to clean the Classroom every day.,What else do you have to do ?,Lets look at Marys Monday at school.,Theres a gym class today. I have to wear_ .,sports shoes,But theres a

8、party at school today, so I dont have to wear _.,uniform,After school, I have to clean the _ .,classroom,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 sp

9、orts 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

10、. 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

11、 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 br

12、ight 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.,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 r

13、un 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

14、 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。 Lets 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,一、祈使句 用法：一般以动词原形开头，表示请

15、 求、命令、劝说、警告等。在祈使句中，通常省略句子主语第二人称you。 2. 句子结构 (1) 肯定句：_+ 其他 在餐厅里吃东西。 _ 在音乐教室里听音乐。 _ 骑自行车去上学。 _,探究乐园,动词原形,Eat in the dining hall.,Listen to music in the music room.,Ride the bike to school.,(2) 否定句: _ + _ + 其他 不要和同学们打架。 _ 不要在教室里打篮球。 _,Dont fight with your classmates.,Dont play basketball in the classro

16、om.,Don t 动词原形,以let引起的句子 _+ sb.+动词原形 让我们步行去上学吧。_ (4) No + 动词-ing形式。表示“禁止、规劝” 禁止停车！No Parking. 禁止吸烟！No Smoking.,Let,Lets walk to school.,二、询问和讨论学校规则： 1. 有什么规则？我们必须保持安静。 _ 2. 我们可以在上课的时候戴帽子吗？ _ 不可以。你可以在外面戴帽子。 _ _ 3. 你必须做什么事？ _ 我们必须穿校服。 _ 4. 他必须在校吃午饭吗？ _,What are the rules?,We must be quiet.,Can we wear

17、 a hat in class?,No, we cant. You can wear a hat outside.,What do you have to do?,We must wear the school uniforms.,Does he have to eat lunch at school?,Library Rules Dont talk. _ _ _,3a Write the rules for the school library.,Writing,Dont listen to music.,Dont eat or drink.,Dont take photos.,方法指导：

18、1. 由图示可知都是一些禁止类的祈使句。 2. 可知应用“Dont + 动词原形”句子。,3b Use the words to make questions about the rules. Then write answers according to your school.,Writing,1. 根据例句，可知要求我们造一般疑问句并根据实际情况进行回答。 2. 先确定句子的主语。 3. 再确定用情态动词还是用助动词来构成疑问语序。 4. 根据实际情况做出肯定或否定回答，答语的主语要与问句保持一致。,方法指导,2. Eat? (he/have to/in the dinning hall

19、) Q: _ A: _ Listen to music? (we/can/in the hallways) Q: _ A: _ 4. Wear a hat? (we/can/in the classroom) Q: _ A: _,2. Eat? (he/have to/in the dining hall) Q: _? A: _ 3. Listen to music? (we/can/in the hallways) Q: _? A: _ 4. Wear a hat? (we/can/in the classroom) Q: _? A: _,Then answer the questions.

20、,Yes, he does.,Does he have to eat in the dining hall,Can we listen to music in the hallways,No, we cant.,Can we wear a hat in the classroom,No, we cant.,At my dream school, we dont have to come to school every day. ,We can eat in class. ,3c Make up five cool rules for your dream school. Share your rules with the class. Your classmates vote for the Coolest School!,We dont have to wear school uniforms. ,We can listen to music