present
I book
You book
He books
She books
It books
We book
They book
past
I booked
You booked
He booked
She booked
It booked
We booked
They booked
future
I will book
You will book
He will book
She will book
It will book
We will book
They will book
conditional
I would book
You would book
He would book
She would book
It would book
We would book
They would book