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第五课 助动词 should 和 must
一.本课要点及示例
在这一课里, 我们要学习的是助动词 should, s-h-o-u-l-d, should 跟 must, m-u-s-t, must 的用法. 我们也要看看这两个助动词的否定式 should not 也就是 shouldn't 和 must not 也就是 mustn't 在意思上跟 don't have to 这个词组有什么分别.
首先我还是请两位英文老师给你念一段对话, 请你注意听英文老师的发 音和声调.
F: Peter, can you help me for a minute?
M: Yes, what do you want me to do?
F: Will you take the garbage out?
M: Do I have to do it now?
F: Well, you don't have to it now. But don't forget to do it today.
M: All right. I really must go now; otherwise I'll be late for school.
F: You have an exam this morning, don't you? You mustn't be late. Maybe you should ask your father for a ride.
好, 现在我们再把刚才那段对话用慢速度念一遍, 请你注意听:
F: Peter, can you help me for a minute?
M: Yes, what do you want me to do?
F: Will you take the garbage out?
M: Do I have to do it now?
F: Well, you don't have to. But don't forget to do it today.
M: All right. I really must go now; otherwise I'll be late for school.
F: You have an exam this morning, don't you? You mustn't be late. Maybe you should ask your father for a ride.
在彼得跟他母亲的这段对话里, 有几个句子用了我们今天要学的助动词 should, must 跟它们的否定式 shouldn't, mustn't 还有 have to 跟 don't have to 这两个词组, 现在我请老师把包含了这些词的句子用慢速度再念 一遍给你听:
M: Do I have to do it now?
F: You don't have to.
M: I really must go now.
F: You mustn't be late. Maybe you should ask your father for a ride.
