present
I maintain
You maintain
He maintains
She maintains
It maintains
We maintain
They maintain
past
I maintained
You maintained
He maintained
She maintained
It maintained
We maintained
They maintained
future
I will maintain
You will maintain
He will maintain
She will maintain
It will maintain
We will maintain
They will maintain
conditional
I would maintain
You would maintain
He would maintain
She would maintain
It would maintain
We would maintain
They would maintain