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1、.,Dont eat in class.,Unit 4,Section B 1a-1d&Self check 1-2,.,1. 用法：一般以动词原形开头，表示请求、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。,探究乐园,祈使句,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。 _,Ride the bike to school.,Eat in the dining hall.,动词原形,Listen to music in the music room.,.,(2) 否定句: _ + _+ 其他 不要和同学们打架。
2、 _ 不要在教室里打篮球。 _,Dont fight with your classmates.,Dont play basketball in the classroom.,Dont 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。_,Let,Lets walk to school.,(4) No + 动词-ing形式或No+名词 。表示“禁止、规劝” 禁止停车！No Parking. 禁止吸烟！No Smoking. 禁止拍照！No photos!,.,What can/cant you do at school?,A :Can we? B: Yes, we ca
3、n. A: Can we?B: No, we cant. We cant ,.,Do you have to wear a uniform at school?,Yes, we do./No, we dont.,What do you have to do at school?,What else do you have to do? What other things,.,-Do you have to at school? -Yes, we do./No, we dont,wear the school uniform clean the classroom do morning exer
4、cises do homework bring your school ID card every day get to the classroom before 7:00 listen to English every day ,Pair work,.,We have to/must listen to the teacher.,We cant be noisy in the library.,Dont be noisy in the library.,We have to /must speak English in English class .,We have to/must/can
5、eat in the dining hall.,.,There are many rules in my family.,I have to follow these rules.,.,Can you?,Do you have to?,clean the room every day,用哪个提问更合适？,.,watch TV,周二晚,on school nights,Can you?,Do you have to?,用哪个提问更合适？,.,Can you?,Do you have to?,go out with friends,on school nights,周三首播,用哪个提问更合适？,.
6、,help mom make breakfast,Can you?,Do you have to?,.,practice the guitar before dinner,Can you?,Do you have to?,5:30 p.m,皆可，含义略不同,.,see friends on school nights,Can you?,Do you have to?,.,do the dishes after dinner,Can you?,Do you have to?,.,get up early,Can you?,Do you have to?,.,go to bed early,Can
7、 you?,Do you have to?,.,do homework in the evening,Can you?,Do you have to?,.,Can you?,Yes,I can. I can .,Pairwork,A:,B:,No,I cant. How about you?,Do you have to?,Yes, I do. I have to . No, I dont. How about you?,A:,B:,与朋友谈论家规，询问能做什么及必须做什么,.,读1b中家规，将其与1a中图片配对,h,c,e,b,g,d,f,1a,.,x,x,听对话，打叉Dave不能做的事，打
8、勾必须做的事,h,c,e,b,g,d,f,1b,.,x,h,c,e,b,g,d,f,x,1c,再听对话，用方框中时间完成表格,on school days,after school,before dinner,after dinner,in the evening,every evening,every Saturday,.,根据表格谈论Dave家的家规,1d,Does he have to do his homework after school?,Yes, he does.,.,x,h,c,e,b,g,d,f,x,on school days,after school,before din
9、ner,after dinner,in the evening,every morning,every Saturday,.,Dave is my good friend. He has some family rules. He cant go out on school nights. He cant see his friends on school days. He has to do his homework after school. He must practice the guitar before dinner. He cant watch TV . And he has t
10、o clean his room every Saturday. Poor (可怜的)Dave!,Report,Report Daves rules. See who is the best？,.,Dont eat in class.,Unit 4,Section B 2a-3c,.,Does he have to do his homework after school?,Yes, he does.,.,Dont go out on school nights. Dont see friends on school days. Do your homework after school.,D
11、aves family rules,.,2b Read the passage fast and answer the question.,Is Molly Brown happy? Why or why not?,Molly,No, she isnt.,Because she has too many rules in her family and school.,.,Dear Dr. Know,There are too many rules! At 6:00 a.m., my mom says, “ Get up now and make your bed!” After breakfa
12、st, my mom always says, “Dont leave the dirty dishes in the kitchen!” After that, I run to school because I cant be late. At school, we have more rules-dont be noisy, dont eat in class, My dad says I cant play basketball after school because I must do my homework. I can play only on weekends. After
13、dinner, I cant relax either. I must read a book before I can watch TV. But I have to go to bed before 10:00. Rules, rules, rules! Its terrible! What can I do, Dr. Know? Molly Brown, New York,读信件，划线Molly要遵守的规则,.,通读全文，掌握文章的大意,找出主题句。 2. 题目要求我们寻找有关Molly在家庭及在学校里的规则。表达规则的句子常为祈使句、或含有can/cant, must及have to的
14、句子。 3. 读短文寻找这种类型的句子。根据句意确定是否是她的规则。 4. 最后, 再读一遍课文, 检查一下答案的正确性。,阅读指导,.,Rules,rules,rules!,get up at 6:00,make the bed,leave the dirty dishes in the kitchen,be late for school,be noisy in class,eat in class,play basketball after school,do homework after school,read a book before watching TV,go to bed b
15、efore 10:00,.,When you are about something, who do you like to talk to?,unhappy,37?!,.,Dear Molly, I know how you feel. People always tell us, “Dont do this!” or “You cant do that!” But think about it, Molly. There are a lot of things you can play basketball on weekends. You can watch TV after you read a book. Parents and schools are sometimes strict, but remember, they make rules to help us, We have to follow them. Good luck! Dr. Know,.,再读信件，用这四个词/词组完成句子,cant,can,must,must,can,cant,have to,.,用标题中的词/词组完成Zhao Pei的回信,Can,must,have to,have to,cant,mu
