Conjugaison du verbe anglais COULD STIFFEN

Verbe régulier : stiffen - stiffened - stiffened
Traduction française : raidir - devenir raide ou rigide

Affirmation

Forme simple

I could stiffen
you could stiffen
he could stiffen
we could stiffen
you could stiffen
they could stiffen

Forme en V-ing

I could be stiffening
you could be stiffening
he could be stiffening
we could be stiffening
you could be stiffening
they could be stiffening

Perfect

I could have stiffened
you could have stiffened
he could have stiffened
we could have stiffened
you could have stiffened
they could have stiffened

Perfect en V-ing

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

Négation

Forme simple

I couldn't stiffen
you couldn't stiffen
he couldn't stiffen
we couldn't stiffen
you couldn't stiffen
they couldn't stiffen

Forme en V-ing

I couldn't be stiffening
you couldn't be stiffening
he couldn't be stiffening
we couldn't be stiffening
you couldn't be stiffening
they couldn't be stiffening

Perfect

I couldn't have stiffened
you couldn't have stiffened
he couldn't have stiffened
we couldn't have stiffened
you couldn't have stiffened
they couldn't have stiffened

Perfect en V-ing

I couldn't have been stiffening
you couldn't have been stiffening
he couldn't have been stiffening
we couldn't have been stiffening
you couldn't have been stiffening
they couldn't have been stiffening

Forme interrogative

Forme simple

could I stiffen?
could you stiffen?
could he stiffen?
could we stiffen?
could you stiffen?
could they stiffen?

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interro-négative

Forme simple

couldn't I stiffen?
couldn't you stiffen?
couldn't he stiffen?
couldn't we stiffen?
couldn't you stiffen?
couldn't they stiffen?

Forme en V-ing

couldn't I be stiffening?
couldn't you be stiffening?
couldn't he be stiffening?
couldn't we be stiffening?
couldn't you be stiffening?
couldn't they be stiffening?

Perfect

couldn't I have stiffened?
couldn't you have stiffened?
couldn't he have stiffened?
couldn't we have stiffened?
couldn't you have stiffened?
couldn't they have stiffened?

Perfect en V-ing

couldn't I have been stiffening?
couldn't you have been stiffening?
couldn't he have been stiffening?
couldn't we have been stiffening?
couldn't you have been stiffening?
couldn't they have been stiffening?

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