present
I disprove
You disprove
He disproves
She disproves
It disproves
We disprove
They disprove
past
I disproved
You disproved
He disproved
She disproved
It disproved
We disproved
They disproved
future
I will disprove
You will disprove
He will disprove
She will disprove
It will disprove
We will disprove
They will disprove
conditional
I would disprove
You would disprove
He would disprove
She would disprove
It would disprove
We would disprove
They would disprove