Indicative
Present Indefinite
I underpin
you underpin
he/she/it underpins
we underpin
you underpin
they underpin
Present Continuous
I am underpinning
you are underpinning
he/she/it is underpinning
we are underpinning
you are underpinning
they are underpinning
Present Perfect
I have underpinned
you have underpinned
he/she/it has underpinned
we have underpinned
you have underpinned
they have underpinned
Present Perfect Continuous
I have been underpinning
you have been underpinning
he/she/it has been underpinning
we have been underpinning
you have been underpinning
they have been underpinning
Past Indefinite
I underpinned
you underpinned
he/she/it underpinned
we underpinned
you underpinned
they underpinned
Past Continuous
I was underpinning
you were underpinning
he/she/it was underpinning
we were underpinning
you were underpinning
they were underpinning
Past Perfect
I had underpinned
you had underpinned
he/she/it had underpinned
we had underpinned
you had underpinned
they had underpinned
Past Perfect Continuous
I had been underpinning
you had been underpinning
he/she/it had been underpinning
we had been underpinning
you had been underpinning
they had been underpinning
Future Indefinite
I will underpin
you will underpin
he/she/it will underpin
we will underpin
you will underpin
they will underpin
Future Continuous
I will be underpinning
you will be underpinning
he/she/it will be underpinning
we will be underpinning
you will be underpinning
they will be underpinning
Future Perfect
I will have underpinned
you will have underpinned
he/she/it will have underpinned
we will have underpinned
you will have underpinned
they will have underpinned
Future Perfect Continuous
I will have been underpinning
you will have been underpinning
he/she/it will have been underpinning
we will have been underpinning
you will have been underpinning
they will have been underpinning
Conditional
Conditional Present
I would underpin
you would underpin
he/she/it would underpin
we would underpin
you would underpin
they would underpin
Conditional Present Continuous
I would be underpinning
you would be underpinning
he/she/it would be underpinning
we would be underpinning
you would be underpinning
they would be underpinning
Conditional Perfect
I would have underpinned
you would have underpinned
he/she/it would have underpinned
we would have underpinned
you would have underpinned
they would have underpinned
Conditional Perfect Continuous
I would have been underpinning
you would have been underpinning
he/she/it would have been underpinning
we would have been underpinning
you would have been underpinning
they would have been underpinning
