descend from是起源于、从什么流传下来的意思,为什么要用被动语态?为什么是men were descended from apes?为什么不直接是men descend from apes?

分类: 作业答案 • 2022-08-17 22:28:16

问题描述：

descend from是起源于、从什么流传下来的意思,为什么要用被动语态?
为什么是men were descended from apes?为什么不直接是men descend from apes?

答

men were descended from apes这句话里的不是被动语态.是用了be descended from这个词组.说得再深一点就是作者自己习惯写了be动词,既然写了自然就不能再用动词原形,所以用descended,这句话可以写Men descended from apes.