present
I spark
You spark
He sparks
She sparks
It sparks
We spark
They spark
past
I sparked
You sparked
He sparked
She sparked
It sparked
We sparked
They sparked
future
I will spark
You will spark
He will spark
She will spark
It will spark
We will spark
They will spark
conditional
I would spark
You would spark
He would spark
She would spark
It would spark
We would spark
They would spark