English verb conjugation OUGHT TO STIFFEN

Regular verb: stiffen - stiffened - stiffened

Affirmation

Simple form

I ought to stiffen
you ought to stiffen
he ought to stiffen
we ought to stiffen
you ought to stiffen
they ought to stiffen

V-ing form

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

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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