中考英语重要短语的用法及区别：must have to

　　中考英语重要短语的用法及区别：must, have to

　　must表示说话人的主观看法;而have to则表示客观需要。mustn't意为“不可以;不允许”;don't have to意为“不必”。如：

　　(1)My father had to work when he was ten years old.

　　(2)The play is not interesting. I really must go now.

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