have to,must,do not need,needn't的区别

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/11 04:02:35

have to,must,do not need,needn't的区别
用法和区别

have to 意为不得不,表示不是主观意义上的想要做什么
must 意思是必须 ,带有强烈的语气
do not 语气比较平和,意思是没有
need意为需要,比如l need a book.
needn't 意为不必,比如,一般用于否定回答must引导的疑问句,例如：Must l clean the room?No,you needn't/No,you don't have to.

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