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1、2013版七年级下册英语,Unit 4 Dont eat in class.,Section B (1a-1d),一、祈使句 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。,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。 _ 不要在教
2、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。 _ (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.,We must wear at school. A.uniform B.a uniform C.an uniform,B,Library Rules Dont talk. _
3、 _ _,3a Write the rules for the school library.,Writing,Dont listen to music.,Dont eat or drink.,Dont take photos.,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.
4、,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.,1a Match the pictures a-h with the rules.,_ go out _ see friends _ do his homework _ practice the guitar _ do the dishes _ watch TV _ help his mom
5、 make breakfast _ clean his room,a,h,c,b,e,g,f,d,1b Listen and put an x for things Dave cant do and a for things he has to do.,Listening,x,x,x,after school,before dinner,after dinner,every morning,on school nights,on school days,in the evening,every Saturday,1c Talk about the rulers in Daves house.,
6、A: Can Dave go out on school night? B: No, he cant.,在上学的晚上,1. He has to eat breakfast quickly. (改为一般疑问句) _ 2. Play volleyball after class. (改为否定句) _,句型转换,Does he have to eat breakfast quickly?,Dont play volleyball after class.,Exercise,3. We can wear sports shoes in class. (改为一般疑问) _ 4. Dont arrive
7、late for class. (改为同义句) _ 5. Eric has to do his homework before six. (对划线部分提问) _,Can we wear sports shoes in class?,We must be on time for class.,What does Eric have to do before six?,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. _,Dont fight.,Dont run in the hallways.,What are the rules?,We mus
8、t be on time for class.,汉译英。,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？ _,Can we wear a hat in class?,No, we cant, but we can eat in the dining hall.,Can we eat in the classroom?,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.,