present
I improve
You improve
He improves
She improves
It improves
We improve
They improve
past
I improved
You improved
He improved
She improved
It improved
We improved
They improved
future
I will improve
You will improve
He will improve
She will improve
It will improve
We will improve
They will improve
conditional
I would improve
You would improve
He would improve
She would improve
It would improve
We would improve
They would improve