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Unit 4Dont eat in class.Section APeriod 2 (3a-3c)Do you know the rules in these places?hospitalmeeting roomgas stationLook at the two girls.What are the differences between the two expressions?Im tired.I want to have a sit.Can I sit here?Yes,you can.I dont like school,but the rules let all of us go to school.So I have to go to school.3a3a Write the rules for the school library.Library Rules1._2._3._4._Dont talk.Dont eat in the library.Dont listen to music in the library.Dont take pictures/photos in the library.3b b Use the words to make questions about the rules.Then write answers according to your school.Be quiet?Q:_(she/have to/in the library)?A:_Eat?Q:_(he/have to/in the dining hall)?A:_Does she have to be quiet in the library?Yes,she does.Does he have to eat in the dining hall?Yes,he does.Listen to music?Q:_(we/can/in the hallways)?A:_Wear a hat?Q:_(we/can/in the classroom)?A:_Can we wear a hat in the classroom?No,we cant.Can we listen to music in the hallways?No,we cant.3c3c Make up five cool rules for your dream school.Share your rules with the class.Your classmates vote for the Coolest School!We can walk out of the class anytime we want.We can wear what we want.We may have less homework and more free time.can 能，能够能，能够（表示许可）（表示许可）Can I sit here?No,you cant.我可以坐这儿吗？我可以坐这儿吗？不不,你不能。你不能。can 能，会能，会（表示能力）（表示能力）Can you play basketball?Yes,I can.你会打篮球吗？你会打篮球吗？是的是的,我会。我会。have to dont/doesnt have to必须，不得不必须，不得不不必不必 你不必在上午七点前到校。你不必在上午七点前到校。You dont have to be school before 7:00.他们在学校必须做什么呢？他们在学校必须做什么呢？What do they have to do at school？我们要保持安静。我们要保持安静。We have to be quiet.根据句意，用根据句意，用can和和cant填空。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 teachers.4.I _ go to bed after 11:00 on school night.5.The students _ read books and magazines in the library.cantcancantcancant 用用have to或或has to填空。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.4.Emily and Peter join a music club.They _ practice the guitar every day.have tohave to has tohas toLets look at Marys Monday at school.Theres a gym class today.I have to wear_.sports shoesBut theres a party at school today,so I dont have to wear _.uniformAfter school,I have to clean the _.classroomTalk about your school day.What can you do and what do you have to do?Then make a list.Lets talk according to the list.Can we eat in the hallway?Yes,we can./No,we cant.Do we have to wear a uniform?Yes,we do./No,we dont.
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