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