English verb conjugation SHALL STIFFEN

Regular verb: stiffen - stiffened - stiffened

Affirmation

Simple form

I shall stiffen
you shall stiffen
he shall stiffen
we shall stiffen
you shall stiffen
they shall stiffen

V-ing form

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

Perfect

I shall have stiffened
you shall have stiffened
he shall have stiffened
we shall have stiffened
you shall have stiffened
they shall have stiffened

V-ing perfect

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

Negation

Simple form

I shall not stiffen
you shall not stiffen
he shall not stiffen
we shall not stiffen
you shall not stiffen
they shall not stiffen

V-ing form

I shall not be stiffening
you shall not be stiffening
he shall not be stiffening
we shall not be stiffening
you shall not be stiffening
they shall not be stiffening

Perfect

I shall not have stiffened
you shall not have stiffened
he shall not have stiffened
we shall not have stiffened
you shall not have stiffened
they shall not have stiffened

V-ing perfect

I shall not have been stiffening
you shall not have been stiffening
he shall not have been stiffening
we shall not have been stiffening
you shall not have been stiffening
they shall not have been stiffening

Interrogative form

Simple form

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

V-ing form

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

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

V-ing perfect

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

shall I not stiffen?
shall you not stiffen?
shall he not stiffen?
shall we not stiffen?
shall you not stiffen?
shall they not stiffen?

V-ing form

shall I not be stiffening?
shall you not be stiffening?
shall he not be stiffening?
shall we not be stiffening?
shall you not be stiffening?
shall they not be stiffening?

Perfect

shall I not have stiffened?
shall you not have stiffened?
shall he not have stiffened?
shall we not have stiffened?
shall you not have stiffened?
shall they not have stiffened?

V-ing perfect

shall I not have been stiffening?
shall you not have been stiffening?
shall he not have been stiffening?
shall we not have been stiffening?
shall you not have been stiffening?
shall they not have been stiffening?

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