精选优质文档-倾情为你奉上Unit 10 You are supposed to shake hands.1. suppose:猜想;假设 supposethat 猜测;假设 that可省 besupposedtodosth被期望/要求做某事;应该=should do sth=ought to do sth be not supposed to do sth 不被期望做某事 (语气较轻) should not do 不应该做. (语气较重) 1) 应该,被期望 What are you supposed to do when you meet someone?当你遇到某人的时候应该怎么做?2)于否定句中表示获准 You are not supposed to smoke on the bus.你不可以在公共汽车上抽烟。3)be supposed to主语是物时,本应、本该 表示某事本应该发生而没有发生 当句子的主语是人时,它可以用来表