Unit 4 section A period 2 (2d-3c)课件-人教版英语七年级下册.pptx

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1、Unit 4 section A period 2（2d-3c)祈使句祈使句是用来表示是用来表示请求、命令、叮请求、命令、叮嘱、号召或者劝告嘱、号召或者劝告等的句子，这类句等的句子，这类句子的主语常是第二人称子的主语常是第二人称youyou，也就是听，也就是听话者，因而话者，因而youyou常省去了。常省去了。祈使句的开祈使句的开头是动词原形头是动词原形,句尾一般用降调句尾一般用降调。肯定肯定：Come in,please!请进！请进！Sit down,please.请坐。请坐。Lets go home.我们回家吧。我们回家吧。否定否定的祈使句是在动词原形前的祈使句是在动词原形前(即句首即句首

2、)加加Dont.e.g.Dont talk in class!不要在课常上讲话！不要在课常上讲话！Dont open the window!别开窗！别开窗！Dont arrive late for school.上学别迟到上学别迟到!Dont smoke!/No smoking!别吸烟别吸烟!祈使句有祈使句有肯定肯定和和否定否定两种：两种：1.Sit down.2.Come in.3.Eat at home.Dont sit down.Dont come in.Dont eat at home.把下列祈使句改成否定句把下列祈使句改成否定句 4.Listen to music outside.5

3、.Do your homework at school.Dont listen to music outside.Dont do your homework at school.6、连词成句：、连词成句：in,talk,please,dont,class7、We cant read in the sun.(变祈使句变祈使句)8、（not play）on the road.Its dangerous(危险的危险的)。9、Dont run in the hallway fight in the classroom.A.and B.or C.but 10、Dont _ TV after class.

4、A.watch B.watches C.watchingDont talk in class,please!Dont read in the sun!Dont play B.A11、请写出下列、请写出下列8个句子。个句子。不要在课堂上吃东西。不要在课堂上吃东西。_ 不准打架。不准打架。_不准上课迟到。你必须准时。不准上课迟到。你必须准时。_不准在走廊里跑。不准在走廊里跑。_不准在教室里吃东西。你必须在餐厅吃饭。不准在教室里吃东西。你必须在餐厅吃饭。_不准在课堂上听音乐。不准在课堂上听音乐。_ Dont eat in the classrooms.you must eat in the dinn

5、ing hallDont listen to music in classDont run in the hallways.Dont arrive late for class.You must be on timeDont fight.Dont eat in the class1.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按时上课._阅读阅读Grammar Focus部分，完成下列句子。部分，完成下列句子。Dont fight.Dont run in the hallways.What are the rules?

6、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？

7、_ 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.Dont fight.Dont listen to music in the classroom!in the classroomDont run in the hallways.Dont take photos here.No photos!Dont talk in the li

8、brary!in the libraryNo talking!Dont smoke!No smoking!Dont eat in the classroom.in the classroomDont take your schoolbags to the library!in the libraryNo schoolbags!Dont arrive late for class.Library rules1.Dont talk.2._3._ _4._ _Dont eat.Write the rules for the school library.3aDont listen to music.

9、Dont take photos.Do you know the rules for the school library?No school bags!No talking!No wet umbrellas!No listening to music!No food!3aI _a uniform every day.They _wear a uniform every day.Yes,_.Look and say.Do you have to wear a uniform every day?have toNo,_.have to wearI doI dontShe _do homework

10、 every day.has toJane_on weekends.has to clean her bedroom We have to.We have to arrive at school on time.We have to do homework every day.We have to clean the classroom every day.We have to keep the classroom clean.We have to study hard at all lessons.What do you have to do at school?Group workUse

11、the words to make questions about the rules.Then write answers according to your school.3b1.Be quite?Q:Does she have to be quite in the library?(she/have to/in the library)A:Yes,she does.2.Eat?Q:_ (he/have to/in the dining hall)?A:_Does he have to eat in the dining hall?No,he doesnt.He can also eat

12、outside.3.Listen to music?Q:_ (we/can/in the hallways)?A:_ 4.Wear a hat?Q:_ (we/can/in the classroom)?A:_Can we listen to music in the hallways?Can we wear a hat in the classroom?No,we cant.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 coo

13、l 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 in class.We can eat in the classroom.We dont have to do homework.At my dream school,we dont have to come to school every day.We can ea

14、t in the classroom.We can listen to music in class.We dont have to do homework.We dont have to wear school uniforms at school.Discuss and make rules for the computer room in your school.Computer Rules1._2._3._4._5._We must be quiet in the computer room.Dont run in the computer room.Dont eat or drink

15、 in the computer room.Wear slippers in the computer room.Computer Rules1._2._3._4._5._We must be quiet in the computer room.Dont eat or drink in the computer room.Dont run in the computer room.Wear slippers in the computer room.Clean the computer room every day.1.You must not break the _(规定规定).2.We

16、cant make too much noise in the _(大厅走廊大厅走廊).3.We have to wear _(运动鞋运动鞋)for gym class.4.He _(步行步行)two kilometers to work every morning.5.She has to _(洗洗)the dishes after meals.ruleshallwayssports shoeswalkswash.词汇词汇.用用can和和cant填空填空1.Mr Green _ smoke here,because theres a sign on the wall.It says“No s

17、moking.”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.cantcancancancant1.We _ clean our classroom after school.2.She _ make her bed after gettin

18、g up.3.Its late.Mr.Beckman _ go to work by car.4.Emily and Peter join a music club.They _ practice guitar every day.have tohave tohas tohas to.用用have to或或has to填空填空1.No talking!(改成同义句改成同义句)_ _,please!2.The man behind the white car is his father.（对画线部分提问）（对画线部分提问）_ _ is his father?Dont talk Which man

19、 按要求改写下列句子。按要求改写下列句子。句型练习句型练习1.Mike was late _ school yesterday because he got up late.2.Zhao Pei cant go out _ school nights.3.The boy _ a blue T-shirt is my brother.4.The students in our school cant wear hats _ class.5.Who do you often play basketball _?My friends.for on in in用适当的介词填空。用适当的介词填空。介词填

20、空介词填空 with按要求改写句子，每空一词。按要求改写句子，每空一词。1.Paul has to eat outside.(改为一般疑问句改为一般疑问句)_ Paul _ _ eat outside?2.They can wear hats in the hall.(改为一般疑问句改为一般疑问句)_ they _ hats in the hall?3.The students have to wear sports shoes for gym class.(对划线部分提问对划线部分提问)_ do the students _ _ _?Does have toCan wearWhat have to do4.You cant stand in the middle of the street.(改为祈使句改为祈使句)_ _ in the middle of the street.5.Take the pen to your sister.(改为否定句改为否定句)_ _ the pen to your sister.6.Dont arrive late next time.(改为同义句改为同义句)_ _ late next time.Dont beDont standDont take