七年级下册UNIT4第三课时.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 4 Dont eat in class.,The Third Period,Section A(Grammar Focus-3c),Do you know the rules in these places?,hospital,meeting,room,Do you know the rules in these places?,gas,station,Do you know the rules in these places?,Look at the two girls.What are the differences between the two expressions?,Study in groups,Im tired.I want to have a seat.,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,.,Dont run in the hallways.,Dont fight.,What are the rules?,We must be on time for class.,Can we eat in the classroom?,No,we cant,but we can eat in the dining hall.,Can we wear a hat in class?,Yes,we can./No,we cant.,Does he have to wear a uniform at school?,Yes,he does./No,he doesnt.,What do we have to do?,We have to be quiet in the library.,Grammar Focus,Write the rules for the school library.,3a,Library Rules,1,._,_,2._,3._,4._,Dont talk.,Dont eat(in the library).,Dont listen to music(in the library).,Dont take pictures/photos(in the library).,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.,3b,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.,Make up five cool rules for your dream school.Share your rules with the class.Your classmates vote for the Coolest School!,1.We can eat in class.,2.We dont have to come to school every day.,3.,At my dream school,we dont have to come to school every day.We.,3c,1.Don,t fight.不要打架。（教材第21页）,fight此处用作动词，意为“打架；战斗”。,e.g.:Stop fighting!The teacher is coming.别打了，老师来了。,【拓展】fight的常见搭配,fight against sb.与某人搏斗/打仗/作战；fight(with sb.)about/over sth.（与某人）就某事争辩；fight for sth.努力争取，为,而斗争。,Language Points,2.Can we eat in the classroom?我们可以在教室里吃东西吗？（教材第21页）,情态动词can在本句中表示请求，意为“可以”。其一般疑问句形式为“Can+主语+动词原形+其他?”；肯定回答用“Yes,.can.”，否定回答用“No,.can,t.”。,e.g.:Can I use your bike?,我可以用用你的自行车吗？,Yes,you can.是的，你可以。,3.What do you have to do?你们必须做什么？（教材第21页）,have to为固定短语,意为“不得不”,强调由客观原因造成不得不去做某事,有have to和has to两种变化,在变否定句和疑问句时要借助助动词do,does。,e.g.:He has to do the dishes after dinner.他晚饭,后必须洗餐具。,Does she have to do her homework before,dinner?她必须晚饭前做作业吗？,一、单项选择。,(),1.What do you have to do?,_,A.I have to clean my room.B.I have a nice room.,C.I clean my room.D.I like my room.,A,Exercise,(),2.He _ do his homework in the evening.,A.have to B.has to C.has D.must to,(),3.,Tina,has _ uncle.He often wears _ uniform.,A.a;a B.an;an C.a;an D.an;a,B,D,二、按要求完成下列各题。,1.He has to go to work at 7:30.（改为否定句）,He _,_,_ _,_,_ to go to work at 7:30.,2.Please play the piano after school.（改为否定句）,Please _,_,_ _,_,_ the piano after school.,3.You mustn,t listen to music in class.（改为祈使句）,_,_,_ _,_,_ listen to music in class.,4.She does her homework after supper.（改为一般疑问句）,_,_,_ she _,_,_ her homework after supper？,doesnt have,dont play,Please dont,Does do,1.Review the words and phrases.,2.Read and recite Grammar,F,ocus.,Homework,