Indicative
Present Indefinite
I serve time
you serve time
he/she/it serves time
we serve time
you serve time
they serve time
Present Continuous
I am serving time
you are serving time
he/she/it is serving time
we are serving time
you are serving time
they are serving time
Present Perfect
I have served time
you have served time
he/she/it has served time
we have served time
you have served time
they have served time
Present Perfect Continuous
I have been serving time
you have been serving time
he/she/it has been serving time
we have been serving time
you have been serving time
they have been serving time
Past Indefinite
I served time
you served time
he/she/it served time
we served time
you served time
they served time
Past Continuous
I was serving time
you were serving time
he/she/it was serving time
we were serving time
you were serving time
they were serving time
Past Perfect
I had served time
you had served time
he/she/it had served time
we had served time
you had served time
they had served time
Past Perfect Continuous
I had been serving time
you had been serving time
he/she/it had been serving time
we had been serving time
you had been serving time
they had been serving time
Future Indefinite
I will serve time
you will serve time
he/she/it will serve time
we will serve time
you will serve time
they will serve time
Future Continuous
I will be serving time
you will be serving time
he/she/it will be serving time
we will be serving time
you will be serving time
they will be serving time
Future Perfect
I will have served time
you will have served time
he/she/it will have served time
we will have served time
you will have served time
they will have served time
Future Perfect Continuous
I will have been serving time
you will have been serving time
he/she/it will have been serving time
we will have been serving time
you will have been serving time
they will have been serving time
Conditional
Conditional Present
I would serve time
you would serve time
he/she/it would serve time
we would serve time
you would serve time
they would serve time
Conditional Present Continuous
I would be serving time
you would be serving time
he/she/it would be serving time
we would be serving time
you would be serving time
they would be serving time
Conditional Perfect
I would have served time
you would have served time
he/she/it would have served time
we would have served time
you would have served time
they would have served time
Conditional Perfect Continuous
I would have been serving time
you would have been serving time
he/she/it would have been serving time
we would have been serving time
you would have been serving time
they would have been serving time