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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、祈使句一、祈使句1. 用法：用法：一般以动词原形开头，表示请一般以动词原形开头，表示请 求、命令、劝说、警告等。在祈使句求、命令、劝说、警告等。在祈使句 中，通常省略句子主语第二人称中，通常省略句子主语第二人称you。2. 句子结构句子结构(1) 肯定句：肯定句：_+ 其他其他 在餐厅里吃东西。在餐厅里吃东西。 _ 在音乐教室里听音乐。在音乐教室里听音乐。 _ 骑自行车去上学。骑自行车去上学。 _Ride the bike to school.Eat in the dining ha
2、ll.动词原形原形Listen to music in the music room. (2) 否定句否定句: _ + _+ 其他其他 不要和同学们打架。不要和同学们打架。 _ 不要在教室里打不要在教室里打篮球。球。 _Dont fight with your classmates. Dont play basketball in the classroom.Dont 动词原形动词原形(3) 以以let引起的句子引起的句子 _+ sb.+动词原形原形 让我我们步行去上学吧。步行去上学吧。_ (4) No + 动词-ing形式。表示形式。表示“禁止、禁止、规劝” 禁止停禁止停车！No Parki
3、ng. 禁止吸烟！禁止吸烟！No Smoking. LetLets walk to school. We must wear at school.A.uniform B.a uniform C.an uniformBLibrary Rules1.Dont talk.2._3._4._3a Write the rules for the school library.Dont listen to music.Dont eat or drink. Dont take photos. 2. Eat? (he/have to/in the dining hall) Q: _? A: _3. Liste
4、n to music? (we/can/in the hallways) Q: _? A: _ 4. Wear a hat? (we/can/in the classroom) Q: _? A: _Then answer the questions.Yes, he does.Does he have to eat in the dining hallCan we listen to music in the hallwaysNo, we cant.Can we wear a hat in the classroomNo, we cant.1a Match the pictures a-h wi
5、th the rules._ go out _ see friends_ do his homework _ practice the guitar_ do the dishes_ watch TV_ help his mom make breakfast_ clean his roomahcbegfd1b Listen and put an x for things Dave cant do and a for things he has to do. Rules Cant Have to/mustgo outsee friendsdo his homeworkpractice the gu
6、itardo the disheswatch TVhelp his mom make breakfastclean his roomx xx xx x Rules Whengo outsee friendsdo his homeworkpractice the guitardo the disheswatch TVhelp his mom makebreakfastclean his roomafter schoolbefore dinnerafter dinnerevery morningon school nightson school daysin the eveningevery Sa
7、turday1c Talk about the rulers in Daves house.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. (改改为一一般疑般疑问句句) _2. Play volleyball after class. (改改为否定句否定句) _句型转换句型转换Does he have to eat breakfast quickly?Dont play volleyball after class.3. We can wear sports
8、shoes in class. (改改为一一般疑般疑问) _4. Dont arrive late for class. (改改为同同义句句) _5. Eric has to do his homework before six. (对划划线部分提部分提问) _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。不要在楼道里跑。 _2. 不要打架。不要打架。 _3. 有什么规则？有什么规则？ _ 4. 我们必须按时上课我们必须
9、按时上课. _Dont fight. Dont run in the hallways.What are the rules?We must be on time for class. 5. 我们可以在教室里吃东西吗？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。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？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？他在学校里必须穿校服吗？ _9. 是的，必须。是的，必须。/ 不，不必。不，不必。 _10. 你们必须做什么？你们必须做什么？ _ 11. 在图书馆里我们必须保持安静。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.
