七年级下册-Don't-eat-in-class.-Section-A句法语法省公开课一等奖新名师优.pptx

Dont eat in class.Section A 第2课时第1页John:Hi,my names John.Its my first day at school.Alice:Hi,John.Im Alice.This is a great school,but there are a lot of rules.John:Really?What are some of the rules?Alice:Well,dont be late for class.This is very important.John:OK,so we must be on time.Can we bring music players to school?Alice:No,we cant.And we always have to wear the school uniform.John:I see.Alice:Oh,and we also have to be quiet in the library.第2页John:Hi,my names John.Its my first day at school.Alice:Hi,John.Im Alice.This is a great school,but there are a lot of rules.John:Really?What are some of the rules?Alice:Well,dont be late for class.This is very important.John:OK,so we must be on time.Can we bring music players to school?Alice:No,we cant.And we always have to wear the school uniform.John:I see.Alice:Oh,and we also have to be quiet in the library.第3页Dont be late for class.祈使句：表示命令、请求、提议或劝说句子。必定：（1）动词原形+其它 Stand up,please.请起立。（2）Be+adj.Be careful!小心！（3）Let sb.+动词原形 Lets go to school together.咱们一起上学去吧。第4页否定：（1）Dont+动词原形 Dont stand up.别站起来。（2）Let sb.+not+动词原形 Let them not play with fire.别让他们玩火。（3）No+名词/doing No fishing.禁止垂钓。第5页-Can we bring music players to school?-No,we cant.can（情态动词）“能够、能够”We can eat in the dining hall.But we cant eat in class.表示请求允许第6页We also have to be quiet in the library.have to“不得不、必须”，侧重客观需要。must“必须、应该”，侧重主观要求。I have to do my homework now.I dont have to do my homework now.Do you have to do your homework now?Yes,I do./No,I dont.You must go home now.You mustnt go home now.Must I go home now?Yes,you must.No,you neednt./No,you dont have to.第7页完成句子1._ play in the street.不要在大街上玩。2.I _ look after my sister.我不得不照料我妹妹。Donthave to第8页 单项选择()1.We can eat in the dining hall.But we _ eat in the classroom.A.dont B.didnt C.cant D.arent()2.-Can you go out with your friends?-_.A.Yes,I cant B.Yes,please C.No,I cant D.Yes,I doCC第9页祈使句：必定：动词原形+其它；Be+adj.；Let sb.+动词原形 否定：Dont+动词原形；Let sb.+not+动词原形；No+名词/doing-Can we bring music players to school?-No,we cant.“能够、能够”（表示请求允许）must/have to使用方法区分：have to 侧重客观需要；must 侧重主观要求。必定、否定、疑问、回答方式。第10页