will have been后面的动词是什么形式的?
问题描述：
will have been后面的动词是什么形式的?
答
done/doing
答
done
将来完成时
答
will have been done 为将来完成时
will have been doing 为将来完成进行时
答
动词的过去分词语态。如will have been done
答
过去分词或现在分词都可以即done 或 doingwill have been done是将来完成时的被动如：The museum will have been built by 2010.到2010年时,这个博物馆就已经盖好了.will have been doing是将来完成进行时.如：By th...