was后面加什么介词

　　例句：

　　I was aware that she was trembling.

　　我察觉到她在发抖。

　　He was rowing for all he was worth.

　　他在拼命地划船。

　　It was a Monday, so she was at home.

　　那是个星期一，所以她在家。

　　I was honest about what I was doing.

　　我对我所做的一切毫不隐瞒。