I was ashamed of my behavior last night.
Aren’t you ashamed of what you did?
Don’t be ashamed of who you are.
She was ashamed of her family.
He has nothing to be ashamed of.
ashamed for can replace ashamed of when it is followed by the -ing form of a verb.
You should feel ashamed for posting those nasty e-mails.
He was ashamed for having sexy thoughts about his teacher.
ashamed for is also used when the speaker feels shame because of the actions of another
I was ashamed for the policies of my country.
She was ashamed for her father’s impoliteness.
I am very aware of the importance of the Internet.
He wanted to make me aware of the danger I was in.
There is something important I want you to be aware of.
bad at means to be ineffective or unskillful.
My brother is bad at expressing his feelings.
Some people are bad at learning foreign languages.
I am really bad at tennis.
bad for : If something is bad for a person or situation, that means it worsens the condition of the person or situation.
Smoking is bad for you.
Outdoor fires are bad for the air quality.
Having too much government control is bad for business.
Watching too much news may be bad for your mental health.
bored with: Use bored with when referring to an activity the bored person finds unexciting to engage in.
She was bored with her job, so she quit.
He got bored with watching sports on TV.
Some people are already bored with Facebook.
Are you bored with your life?
bored by : Use bored by when referring to something that bores a person other than an activity he or she is engaged in.
I am bored by all the talk about the economy.
Many people are bored by news articles about movie stars.
Were you as bored by the lecture as I was?
capable of can mean having a positive ability to do something in the future.
I think that horse is capable of winning the race.
At what age is the mind capable of understanding how to read?
Capable of: can also mean have a certain disposition or a potential
That young man is clearly capable of violence.
They knew the dam was capable of collapsing in a bad storm.
Is every person capable of evil?
Many believe that President Obama is capable of greatness.
Capable at means having a proven ability
Good teachers are very capable at assessing student knowledge.
He proved to be capable at managing the project.
She wasn’t brilliant, but she was capable at what she did.