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'd stiffer
you'd stiffer
she'd stiffer
we'd stiffer
you'd stiffer
they'd stiffer

V-ing form

I'd be stiffering
you'd be stiffering
she'd be stiffering
we'd be stiffering
you'd be stiffering
they'd be stiffering

Perfect

I should've stiffered
you should've stiffered
she should've stiffered
we should've stiffered
you should've stiffered
they should've stiffered

V-ing perfect

I should've been stiffering
you should've been stiffering
she should've been stiffering
we should've been stiffering
you should've been stiffering
they should've been stiffering

Negation

Simple form

I shouldn't stiffer
you shouldn't stiffer
she shouldn't stiffer
we shouldn't stiffer
you shouldn't stiffer
they shouldn't stiffer

V-ing form

I shouldn't be stiffering
you shouldn't be stiffering
she shouldn't be stiffering
we shouldn't be stiffering
you shouldn't be stiffering
they shouldn't be stiffering

Perfect

I shouldn't have stiffered
you shouldn't have stiffered
she shouldn't have stiffered
we shouldn't have stiffered
you shouldn't have stiffered
they shouldn't have stiffered

V-ing perfect

I shouldn't have been stiffering
you shouldn't have been stiffering
she shouldn't have been stiffering
we shouldn't have been stiffering
you shouldn't have been stiffering
they shouldn't have been stiffering

Interrogative form

Simple form

should I stiffer?
should you stiffer?
should she stiffer?
should we stiffer?
should you stiffer?
should they stiffer?

V-ing form

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

Perfect

should I have stiffered?
should you have stiffered?
should she 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 she have been stiffering?
should we have been stiffering?
should you have been stiffering?
should they have been stiffering?

Interro-negative form

Simple form

shouldn't I stiffer?
shouldn't you stiffer?
shouldn't she stiffer?
shouldn't we stiffer?
shouldn't you stiffer?
shouldn't they stiffer?

V-ing form

shouldn't I be stiffering?
shouldn't you be stiffering?
shouldn't she be stiffering?
shouldn't we be stiffering?
shouldn't you be stiffering?
shouldn't they be stiffering?

Perfect

shouldn't I have stiffered?
shouldn't you have stiffered?
shouldn't she have stiffered?
shouldn't we have stiffered?
shouldn't you have stiffered?
shouldn't they have stiffered?

V-ing perfect

shouldn't I have been stiffering?
shouldn't you have been stiffering?
shouldn't she have been stiffering?
shouldn't we have been stiffering?
shouldn't you have been stiffering?
shouldn't they have been stiffering?

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