have to 和must 有什么区别？分别造句

must
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v.aux.
1. (表示必要、命令或强制)必须,得
You mustn't talk like that.
你可不能这样说话。
You must do as you are told.
你必须遵嘱行事。
We must be home by six.
我们必须在六点以前回家。
2. (表示肯定的推测)一定是,谅必,八成
This must be your room.
这一定是你的房间了。
He must be eighty now.
他现在八成有八十岁了。
3. (表示不可避免性)必然要,必定会
All men must die.
人总有一死。
4. (表示主张)一定要,坚持要
If you must go, at least wait till the rain stops.
如果你坚持要走,至少也要等雨停了再走。
5. (表示与说话人愿望相反)偏要
The machine must break down at this busy hour.
正忙的时候机器偏偏坏了。
n.[S]
1. 必须做的事;不可少的事物
A walking stick is a must for me now.
如今我行走离不开手杖了。
2. 一定要看(或听、读)的东西
a.
1. 绝对必要的,必须的[B]
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have to 表示客观的需要
eg. Tom,come out to play with us.
Sorry, my mom said i have to finish my homework first.
eg. Do you have to leave now?
yes, i must
eg Do i ha