hear的过去式是什么

This is the first I've heard of it!

这可是我第一次听说这件事！

I've heard about people like you.

我听说过像你这样的人。

He had a hard job to make himself heard.

他好不容易才使别人听见他的声音。

I still don't think we've heard the full story.

我还是认为我们未了解全部情况。

The last I heard he was still working at the garage.

我听到的最新消息是他还在汽车修理厂工作。