The Conjugator
English verb conjugation
SHALL STIFFEN

Regular verb: stiffen - stiffened - stiffened

Affirmation

Simple form

V-ing form

I'll stiffen
you'll stiffen
he'll stiffen
we'll stiffen
you'll stiffen
they'll stiffen
I'll be stiffening
you'll be stiffening
he'll be stiffening
we'll be stiffening
you'll be stiffening
they'll be stiffening

Perfect

V-ing perfect

I'll have stiffened
you'll have stiffened
he'll have stiffened
we'll have stiffened
you'll have stiffened
they'll have stiffened
I'll have been stiffening
you'll have been stiffening
he'll have been stiffening
we'll have been stiffening
you'll have been stiffening
they'll have been stiffening

Negation

Simple form

V-ing form

I shan't stiffen
you shan't stiffen
he shan't stiffen
we shan't stiffen
you shan't stiffen
they shan't stiffen
I shan't be stiffening
you shan't be stiffening
he shan't be stiffening
we shan't be stiffening
you shan't be stiffening
they shan't be stiffening

Perfect

V-ing perfect

I shan't have stiffened
you shan't have stiffened
he shan't have stiffened
we shan't have stiffened
you shan't have stiffened
they shan't have stiffened
I shan't have been stiffening
you shan't have been stiffening
he shan't have been stiffening
we shan't have been stiffening
you shan't have been stiffening
they shan't have been stiffening

Interrogative form

Simple form

V-ing form

shall I stiffen?
shall you stiffen?
shall he stiffen?
shall we stiffen?
shall you stiffen?
shall they stiffen?
shall I be stiffening?
shall you be stiffening?
shall he be stiffening?
shall we be stiffening?
shall you be stiffening?
shall they be stiffening?

Perfect

V-ing perfect

shall I have stiffened?
shall you have stiffened?
shall he have stiffened?
shall we have stiffened?
shall you have stiffened?
shall they have stiffened?
shall I have been stiffening?
shall you have been stiffening?
shall he have been stiffening?
shall we have been stiffening?
shall you have been stiffening?
shall they have been stiffening?

Interro-negative form

Simple form

V-ing form

shan't I stiffen?
shan't you stiffen?
shan't he stiffen?
shan't we stiffen?
shan't you stiffen?
shan't they stiffen?
shan't I be stiffening?
shan't you be stiffening?
shan't he be stiffening?
shan't we be stiffening?
shan't you be stiffening?
shan't they be stiffening?

Perfect

V-ing perfect

shan't I have stiffened?
shan't you have stiffened?
shan't he have stiffened?
shan't we have stiffened?
shan't you have stiffened?
shan't they have stiffened?
shan't I have been stiffening?
shan't you have been stiffening?
shan't he have been stiffening?
shan't we have been stiffening?
shan't you have been stiffening?
shan't they have been stiffening?