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
she could stiffen
we could stiffen
you could stiffen
they could stiffen

Forme en V-ing

I could be stiffening
you could be stiffening
she could be stiffening
we could be stiffening
you could be stiffening
they could be stiffening

Perfect

I could have stiffened
you could have stiffened
she 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
she 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
she 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
she 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
she 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
she 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 she stiffen?
could we stiffen?
could you stiffen?
could they stiffen?

Forme en V-ing

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

Perfect

could I have stiffened?
could you have stiffened?
could she 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 she 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 she 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 she 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 she 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 she 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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