the room needs to be big enough for three people物是主语不应该是need doing吗?
问题描述：
the room needs to be big enough for three people物是主语不应该是need doing吗?
答
你说的应该是The room need cleaning.这种用法.这里clean 与room是被动关系,房间时被打扫的.这句等于the room need to be cleaned.
你问的这个句子,room 和be big enough是主动关系.所以就用need to be big.