1.shall,will;2.ought to,should,be supposed to,be to do;3.may,can,could,must.三组各有什么区别?

问题描述:

1.shall,will;2.ought to,should,be supposed to,be to do;3.may,can,could,must.三组各有什么区别?
情不自禁做某事的短语有哪些?
everywhere,all over相等吗?

情不自禁:can't wait to do something
shall和will好象是人称的区别
能力有限
抱歉了