Conjugaison du verbe anglais COULD STIFFER

Verbe régulier : stiffer - stiffered - stiffered

Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation

Forme simple

I could stiffer
you could stiffer
he could stiffer
we could stiffer
you could stiffer
they could stiffer

Forme en V-ing

I could be stiffering
you could be stiffering
he could be stiffering
we could be stiffering
you could be stiffering
they could be stiffering

Perfect

I could have stiffered
you could have stiffered
he could have stiffered
we could have stiffered
you could have stiffered
they could have stiffered

Perfect en V-ing

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

Négation

Forme simple

I could not stiffer
you could not stiffer
he could not stiffer
we could not stiffer
you could not stiffer
they could not stiffer

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interrogative

Forme simple

could I stiffer?
could you stiffer?
could he stiffer?
could we stiffer?
could you stiffer?
could they stiffer?

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interro-négative

Forme simple

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

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

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