but none of them has been turned to stone yet 中has been turned

问题描述:

but none of them has been turned to stone yet 中has been turned

但是他们之中还没有人(或其他的什么)被变成石头。还没有,所以现在完成时,none作主语谓语用单数,所以has,被变成,所以用被动。

“被变为了”是个被动式
整个句子就是“但是他们还没有一个人被变成了石头呢”
如果还有问题找我哦~

被动语态的过去完成时
被转向