English verb conjugation OUGHT TO UNDERPIN

Regular verb: underpin - underpinned - underpinned

Affirmation

Simple form

I ought to underpin
you ought to underpin
he ought to underpin
we ought to underpin
you ought to underpin
they ought to underpin

V-ing form

I ought to be underpinning
you ought to be underpinning
he ought to be underpinning
we ought to be underpinning
you ought to be underpinning
they ought to be underpinning

Perfect

I ought to have underpinned
you ought to have underpinned
he ought to have underpinned
we ought to have underpinned
you ought to have underpinned
they ought to have underpinned

V-ing perfect

I ought to have been underpinning
you ought to have been underpinning
he ought to have been underpinning
we ought to have been underpinning
you ought to have been underpinning
they ought to have been underpinning

Negation

Simple form

I ought not to underpin
you ought not to underpin
he ought not to underpin
we ought not to underpin
you ought not to underpin
they ought not to underpin

V-ing form

I ought not to underpinning
you ought not to underpinning
he ought not to underpinning
we ought not to underpinning
you ought not to underpinning
they ought not to underpinning

Perfect

I ought not to have underpinned
you ought not to have underpinned
he ought not to have underpinned
we ought not to have underpinned
you ought not to have underpinned
they ought not to have underpinned

V-ing perfect

I ought not to have been underpinning
you ought not to have been underpinning
he ought not to have been underpinning
we ought not to have been underpinning
you ought not to have been underpinning
they ought not to have been underpinning

Interrogative form

Simple form

ought to I underpin?
ought to you underpin?
ought to he underpin?
ought to we underpin?
ought to you underpin?
ought to they underpin?

V-ing form

ought to I be underpinning?
ought to you be underpinning?
ought to he be underpinning?
ought to we be underpinning?
ought to you be underpinning?
ought to they be underpinning?

Perfect

ought to I have underpinned?
ought to you have underpinned?
ought to he have underpinned?
ought to we have underpinned?
ought to you have underpinned?
ought to they have underpinned?

V-ing perfect

ought to I have been underpinning?
ought to you have been underpinning?
ought to he have been underpinning?
ought to we have been underpinning?
ought to you have been underpinning?
ought to they have been underpinning?

Interro-negative form

Simple form

ought I not to underpin?
ought you not to underpin?
ought he not to underpin?
ought we not to underpin?
ought you not to underpin?
ought they not to underpin?

V-ing form

ought I not to be underpinning?
ought you not to be underpinning?
ought he not to be underpinning?
ought we not to be underpinning?
ought you not to be underpinning?
ought they not to be underpinning?

Perfect

ought I not to have underpinned?
ought you not to have underpinned?
ought he not to have underpinned?
ought we not to have underpinned?
ought you not to have underpinned?
ought they not to have underpinned?

V-ing perfect

ought I not to have been underpinning?
ought you not to have been underpinning?
ought he not to have been underpinning?
ought we not to have been underpinning?
ought you not to have been underpinning?
ought they not to have been underpinning?

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