"Where shall we meet,Mike?" asked Tim.
上面的句子等于 Tim asked mike where they should meet .还是Tim asked mike where they would meet.原句中的shall 是表示将来的助动词,只能与第一人称连用,所以后面如果用should,就是‘应该’的意思,后面主要 用了they,那么用would可以吗?