How to use "ashamed" in a sentence

I was deeply ashamed of my previous distrust of him.

Oh Cosette, I feel so ashamed of the way I've treated him!'

His words made Sala feel ashamed

Suddenly I was ashamed of all my questions.

He was an unreconstructed fascist and not the least bit ashamed of it

'What are you both doing here?' A little ashamed, we explained.