present
I think
You think
He thinks
She thinks
It thinks
We think
They think
past
I thought
You thought
He thought
She thought
It thought
We thought
They thought
future
I will think
You will think
He will think
She will think
It will think
We will think
They will think
conditional
I would think
You would think
He would think
She would think
It would think
We would think
They would think