besupposedto和should用法上有什么区别?Youshouldstudyhard,foryouareastudent，难道这不是客观上的义务和责任？Youaresupposedtolitentoyourboss这也是主观认为啊Heissupposedtoworkhard.这是说他“有责

Question

be supposed to 和should用法上有什么区别?
You should study hard,for you are astudent，难道这不是客观上的义务和责任？You are supposed to liten to your boss这也是主观认为啊He is supposed to work hard.这是说他“有责任”WORK HARD还是说话人“猜想”他工作应该很努力

Answer 1

be supposed to 表示“理应.”强调客观上,“猜想会.”常用于被动语态中
You are supposed to liten to your boss.
He is supposed to work hard.
should 表应该.,强调主观上的原因
You should work hard to catch up with your classmates.
You shouldn't laugh at her.
1、be supposed to还有“据说”（=be said to)
Let's go and see that film.It's supposed to be very good.
2、计划、安排 The train was supposed to arrive at 11:30,but it was 40 minutes late.
3、be not supposed to 表示不允许等
You're not supposed to park here.