should must ought to have to的区别详细一些(语气强烈程度、客观主观）,要举例子.
问题描述：
should must ought to have to的区别
详细一些(语气强烈程度、客观主观）,要举例子.
答
must 说话人的主客观看法---Must I read again?---Yes,you must./ No,you needn't.No,you don't have to.have to 客观事实的需要He has to change the water for the fish.(水脏了或里边有死鱼等等客观原因导致的结...