By next sunday she will have stayed with us for three weeks为什麽不用 she will has stayed而是用will have stayed?是因为will 后面必须跟动词原型的原因吗?>_
问题描述:
By next sunday she will have stayed with us for three weeks
为什麽不用 she will has stayed而是用will have stayed?是因为will 后面必须跟动词原型的原因吗?>_
答
你说的对,就是因为will