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must是在日常英语学习中出现频率最高的单词之一。它的用法繁多，既可以做名词也可以做动词。今天我们来总结一下它的用法。 首先，must可以作为名词使用。意思是必须做的事，必备条件等。 His new novel is a must for all lovers of crime fiction.对所有热爱犯罪小说的人来说，他的新小说是必读书目。 Wearing a mask is a must when shopping in markets these days.在市场买东西时必须戴口罩。 其次，must作为动词意思很多。 1、偏要，非要 Must you leave so early? Can’t you stay for a while?你非要这么早走吗？你不能呆一会吗？ You don’t have to go, but you must. 你本来不必去的，可是你非要去。 2、（表示必要或很重要）必须 All of you must hand in your papers on time.所有同学必须按时交试卷。 I must ask you not to do that again.我必须劝你别再那样做了。 3、一定是（表达推测）。否定时，表示禁止和不许。 It must have been rained last night, for the ground is wet.地面是湿的，昨夜肯定下雨了。 You musn’t smoke in public in this country.在这个国家，公共场合是不许吸烟的。 4、（表示建议）应该，得 You seems not yourself today. You must see the doctor today.你今天看上去状态不好，你一定要看医生。 You must try this shirt. It is the best.你一定要试试这件衬衫，这是最好的一件。 5、have to提问的句子，肯定答复时用must ----Do we have to finish this today? ----Yes, you must./No, you don’t have to. 6、用must提问的句子，常用heve to和need来答。 ----Must Tom stay here? ----No, he needn't./No, he doesn't haveto. 7、if you must表示不赞成，勉强同意 If you must smoke, smoke outside.如果你非要吸烟不可的话，到外面吸吧。 This is a present from my mother, if you must know.如果你非要知道的话，这是我妈妈给我的礼物。 |
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