are的过去式和过去分词分别是什么

例句：

The doors were padlocked.

门都用挂锁锁着。

They were bosom buddies.

他们曾是知心的伙伴。

Both women were French.

两名妇女都是法国人。

These figures have been disputed.

有人对这些数字提出了质疑。

What've you been up to?

你一直在搞什么名堂？

You've been very kind.

你真是体贴入微。