Unit 10 You’re supposed to shake hands. Section A精讲【语法点精讲】1．（1）You're supposed to shake hands.你应该握手。（教材第73页）（2）You're not supposed to kiss.你不应该亲吻（对）。（教材第76页）以上两个句子中，都是含有be supposed to do sth句型的句子；意思为“应该做某事”，相当 should/ought to do sth。下面介绍下be supposed to do sth句型的用法：①当be supposed to.的主语是“人”时，意为“应该，被期望……”，它可以用来表示劝告、建议、义务、责等，相当情态动词should。如：You're supposed to ask the teacher if you want to leave the classroom.如果你要离开教室的话，应该先问问老师。②当be supposed to...的主语是“物”时，意为“本应，本该”，用表示某事本应该发生而没有发生。如： The meeting is supposed to take place on Tuesday,but、ve have to put it off. 这次会议本应在星期二举行，但我们不得不把它推迟了。③was/were sup'posed to do sth相当should have done sth，表示“（过去）本应该做某事而实际上并没有做”。如： You were supposed to arrive here at 6:00．你本应该6点钟到这儿。④be supposed to.，，还可用表示“被认为……，被相信是……”。如： They are supposed to be very clever.它们被认为很明。⑤be supposed to..．的否定结构为be not supposed to..．，它用口语中，意为“不被可……，不应当……”。如： You are not supposed to do that’ 你不应当做那件事。【链接1】1. (2013.菏泽)You are _______ to type quickly when talking to each other on QQ so the other person doesn't get bored.A. suggested B. supportedC. taught |
