Irregular adverbs in English

This soup tastes badbadly.
The living conditions in this country are badbadly.
This is not a badbadly idea.
He was badbadly injured in the last match.
She slept very badbadly last night.
He speaks English badbadly.
She was badbadly paid.
The door badbadly needs painting.
He behaved badbadly.
He always does his work badbadly.
John's spelling is so badbadly that I can't understand him.
He paid her badbadly.
How can you write so badbadly?
Your writing is badbadly.
Don't read so badbadly.
His English is still very badbadly.