present
I improvise
You improvise
He improvises
She improvises
It improvises
We improvise
They improvise
past
I improvised
You improvised
He improvised
She improvised
It improvised
We improvised
They improvised
future
I will improvise
You will improvise
He will improvise
She will improvise
It will improvise
We will improvise
They will improvise
conditional
I would improvise
You would improvise
He would improvise
She would improvise
It would improvise
We would improvise
They would improvise