表示被动 he was beaten by his father .但是不是一种时态,常见时态有一般现在时,一般过去时,现在完成时,现在完成进行时,将来进行时等.这个是语态,语态有主动,被动.注意区分.

The system was state of the art.

这一系统是当时最先进的。

It was a time of peak demand for the product.

那是对该产品需求最旺的时期。

Much of the form was not applicable to me.

表格中很多部分不适用于我。