Must与Haveto的区别
Must与Have to1.Must 表主观;Have to表客观例如:I must go now!我必须走了! I have to stay here!我只好留在这儿!
2.Must没有时态变化;而Have to有人称、 数 、时态旳变化。例如:He must leave now. He has to leave now.3.Must旳回答例如: Must you be here at 10:20?肯定回答:Yes,I must.否定回答: No,I needn’t be here at 10:20 . No,I don’t need to be here at 10:20. No, I don’t have to be here at 10:20.注意:Mustn’t 表禁止!


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