Indicative
Present Indefinite
I expand upon
you expand upon
he/she/it expands upon
we expand upon
you expand upon
they expand upon
Present Continuous
I am expanding upon
you are expanding upon
he/she/it is expanding upon
we are expanding upon
you are expanding upon
they are expanding upon
Present Perfect
I have expanded upon
you have expanded upon
he/she/it has expanded upon
we have expanded upon
you have expanded upon
they have expanded upon
Present Perfect Continuous
I have been expanding upon
you have been expanding upon
he/she/it has been expanding upon
we have been expanding upon
you have been expanding upon
they have been expanding upon
Past Indefinite
I expanded upon
you expanded upon
he/she/it expanded upon
we expanded upon
you expanded upon
they expanded upon
Past Continuous
I was expanding upon
you were expanding upon
he/she/it was expanding upon
we were expanding upon
you were expanding upon
they were expanding upon
Past Perfect
I had expanded upon
you had expanded upon
he/she/it had expanded upon
we had expanded upon
you had expanded upon
they had expanded upon
Past Perfect Continuous
I had been expanding upon
you had been expanding upon
he/she/it had been expanding upon
we had been expanding upon
you had been expanding upon
they had been expanding upon
Future Indefinite
I will expand upon
you will expand upon
he/she/it will expand upon
we will expand upon
you will expand upon
they will expand upon
Future Continuous
I will be expanding upon
you will be expanding upon
he/she/it will be expanding upon
we will be expanding upon
you will be expanding upon
they will be expanding upon
Future Perfect
I will have expanded upon
you will have expanded upon
he/she/it will have expanded upon
we will have expanded upon
you will have expanded upon
they will have expanded upon
Future Perfect Continuous
I will have been expanding upon
you will have been expanding upon
he/she/it will have been expanding upon
we will have been expanding upon
you will have been expanding upon
they will have been expanding upon
Conditional
Conditional Present
I would expand upon
you would expand upon
he/she/it would expand upon
we would expand upon
you would expand upon
they would expand upon
Conditional Present Continuous
I would be expanding upon
you would be expanding upon
he/she/it would be expanding upon
we would be expanding upon
you would be expanding upon
they would be expanding upon
Conditional Perfect
I would have expanded upon
you would have expanded upon
he/she/it would have expanded upon
we would have expanded upon
you would have expanded upon
they would have expanded upon
Conditional Perfect Continuous
I would have been expanding upon
you would have been expanding upon
he/she/it would have been expanding upon
we would have been expanding upon
you would have been expanding upon
they would have been expanding upon