present
I curve
You curve
He curves
She curves
It curves
We curve
They curve
past
I curved
You curved
He curved
She curved
It curved
We curved
They curved
future
I will curve
You will curve
He will curve
She will curve
It will curve
We will curve
They will curve
conditional
I would curve
You would curve
He would curve
She would curve
It would curve
We would curve
They would curve