English verb conjugation SHOULD STIFFER

Regular verb: stiffer - stiffered - stiffered

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I should stiffer
you should stiffer
he should stiffer
we should stiffer
you should stiffer
they should stiffer

V-ing form

I should be stiffering
you should be stiffering
he should be stiffering
we should be stiffering
you should be stiffering
they should be stiffering

Perfect

I should have stiffered
you should have stiffered
he should have stiffered
we should have stiffered
you should have stiffered
they should have stiffered

V-ing perfect

I should have been stiffering
you should have been stiffering
he should have been stiffering
we should have been stiffering
you should have been stiffering
they should have been stiffering

Negation

Simple form

I should not stiffer
you should not stiffer
he should not stiffer
we should not stiffer
you should not stiffer
they should not stiffer

V-ing form

I should not be stiffering
you should not be stiffering
he should not be stiffering
we should not be stiffering
you should not be stiffering
they should not be stiffering

Perfect

I should not have stiffered
you should not have stiffered
he should not have stiffered
we should not have stiffered
you should not have stiffered
they should not have stiffered

V-ing perfect

I should not have been stiffering
you should not have been stiffering
he should not have been stiffering
we should not have been stiffering
you should not have been stiffering
they should not have been stiffering

Interrogative form

Simple form

should I stiffer?
should you stiffer?
should he stiffer?
should we stiffer?
should you stiffer?
should they stiffer?

V-ing form

should I be stiffering?
should you be stiffering?
should he be stiffering?
should we be stiffering?
should you be stiffering?
should they be stiffering?

Perfect

should I have stiffered?
should you have stiffered?
should he have stiffered?
should we have stiffered?
should you have stiffered?
should they have stiffered?

V-ing perfect

should I have been stiffering?
should you have been stiffering?
should he have been stiffering?
should we have been stiffering?
should you have been stiffering?
should they have been stiffering?

Interro-negative form

Simple form

should I not stiffer?
should you not stiffer?
should he not stiffer?
should we not stiffer?
should you not stiffer?
should they not stiffer?

V-ing form

should I not be stiffering?
should you not be stiffering?
should he not be stiffering?
should we not be stiffering?
should you not be stiffering?
should they not be stiffering?

Perfect

should I not have stiffered?
should you not have stiffered?
should he not have stiffered?
should we not have stiffered?
should you not have stiffered?
should they not have stiffered?

V-ing perfect

should I not have been stiffering?
should you not have been stiffering?
should he not have been stiffering?
should we not have been stiffering?
should you not have been stiffering?
should they not have been stiffering?

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