【外研版】八上-Module11 Way of life U3希沃版课件+图片版预览PPT

(共33张PPT)
Module 11 Way of
life
0b jective
To summarise and consolidate the use of
must,mustn't,need,needn't,can and can't
when talking about customs and social
behaviours
Read the conversation and pay
attention to the parts in red.
SituationⅡ
Nick,you can't cheat(欺骗)friends.
1.What do they mean
2.When should we use them
Thank you for telling
me that,Judy.
1.You
must
say Mr or Mrs when
you meet someone for the first time.
2.You can
take it away.
3,You needn't
(not)break anything.
4.Youmustn't
(not)wait!
5.You can
open it!
6.You mustn't
(not)do any cleaning
on the first day of the Spring Festival.
情态动词must,
can,need等
1.must
must表示“必须，一定要”，
可用于肯定句、否定句和疑问句。
*表示说话者的主观看法，认为有必要或有义务做某事。
*否定形式must not(mustn')表示
“不能”或“禁止”的意思。
例如：
1)You must use red paper for hongbao
because red means luck.
你必须用红纸做红包，因为红色代表幸运。
2)In my home town,people say you mustn't do
any cleaning on the first day of the spring Festival
在我的家乡，据说大年初一不能打扫卫生。
用must开头的一般疑问句构成及回答：
--Must I come before 6:30 tomorrow
明天我必须在六点半之前来吗？
肯定回答：
--Yes,you must.
是的，你必须在那之前到。（表示一定要）
否定回答：
--No,you needn't/you don't have to.
不，你不必在那之前来。（表示没必要）
注意：否定回答不可以用mustn't。