be ashamed
feel ashamed

You may feel ashamed of having your problem and not want to talk to anyone.

I looked at him and started to feel a little ashamed again.

I never felt so ashamed of myself in my life.

You feel ashamed and don't want to talk to anyone.

I felt ashamed of myself for ever getting involved with her.

But at the same time he felt rather ashamed for his friend.

And he was beginning to feel a little ashamed of himself.

For a moment I felt a little ashamed of myself.

She had never felt so ashamed of herself before in her life.

Single parents are a fact of life and should not have to feel ashamed.