Unit 10You’re supposed to shake hands.Section A Grammar Focussupposed 与 think 的含义相同, “认为,以为” .be supposed 表示 “被期望或要求应该”, 在口语中,意为 “不容,不应当” .be supposed + to infinitives动词不定式eg. You are supposed to arrive on time. Grammar FocusGrammar FocusGrammar Focusbe supposed to的用法 be supposed to do sth相当 should do sth 或者是be expected to do sth.人称,时态和句式体现在be的变化上，to为不定式符号后接动词原形。句式：1)肯定句： be supposed to do sth2)否定句：be not supposed to do sth 相当shouldn’t do sth. 或 be not allow to do sth.意为“不应当做某事；不被允做某事”。You are not supposed to play football in the classroom.3)疑问句： be supposed to do sth 的疑问句是将be动词的相应形式提到主语前面。Are you supposed to sleep at nine?晚上你应该在9点睡觉吗啊？What are you supposed to do on weekend?在末你应该干什么？You’re supposed to ask the teacher if you want to leave the classroom.如果你要离开教室，应该先问问老师。We are not to supposed to play football on Sunday.不准我们在星期日踢足球。This is secret and I’m not supposed to talk about it.这是秘密，我不应该谈论。She is late for class again and she is supposed to say sorry to the teacher.她又迟到了，她应该向老师说对不起。 What are you supposed to do when you see a thief stealing someone’s wallet?What are you supp |
