present
I whistle
You whistle
He whistles
She whistles
It whistles
We whistle
They whistle
past
I whistled
You whistled
He whistled
She whistled
It whistled
We whistled
They whistled
future
I will whistle
You will whistle
He will whistle
She will whistle
It will whistle
We will whistle
They will whistle
conditional
I would whistle
You would whistle
He would whistle
She would whistle
It would whistle
We would whistle
They would whistle