Conjugaison du verbe anglais COULD STIFF

Verbe régulier : stiff - stiffed - stiffed

Affirmation

Forme simple

I could stiff
you could stiff
she could stiff
we could stiff
you could stiff
they could stiff

Forme en V-ing

I could be stiffing
you could be stiffing
she could be stiffing
we could be stiffing
you could be stiffing
they could be stiffing

Perfect

I could have stiffed
you could have stiffed
she could have stiffed
we could have stiffed
you could have stiffed
they could have stiffed

Perfect en V-ing

I could have been stiffing
you could have been stiffing
she could have been stiffing
we could have been stiffing
you could have been stiffing
they could have been stiffing

Négation

Forme simple

I could not stiff
you could not stiff
she could not stiff
we could not stiff
you could not stiff
they could not stiff

Forme en V-ing

I could not be stiffing
you could not be stiffing
she could not be stiffing
we could not be stiffing
you could not be stiffing
they could not be stiffing

Perfect

I could not have stiffed
you could not have stiffed
she could not have stiffed
we could not have stiffed
you could not have stiffed
they could not have stiffed

Perfect en V-ing

I could not have been stiffing
you could not have been stiffing
she could not have been stiffing
we could not have been stiffing
you could not have been stiffing
they could not have been stiffing

Forme interrogative

Forme simple

could I stiff?
could you stiff?
could she stiff?
could we stiff?
could you stiff?
could they stiff?

Forme en V-ing

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

Perfect

could I have stiffed?
could you have stiffed?
could she have stiffed?
could we have stiffed?
could you have stiffed?
could they have stiffed?

Perfect en V-ing

could I have been stiffing?
could you have been stiffing?
could she have been stiffing?
could we have been stiffing?
could you have been stiffing?
could they have been stiffing?

Forme interro-négative

Forme simple

could I not stiff?
could you not stiff?
could she not stiff?
could we not stiff?
could you not stiff?
could they not stiff?

Forme en V-ing

could I not be stiffing?
could you not be stiffing?
could she not be stiffing?
could we not be stiffing?
could you not be stiffing?
could they not be stiffing?

Perfect

could I not have stiffed?
could you not have stiffed?
could she not have stiffed?
could we not have stiffed?
could you not have stiffed?
could they not have stiffed?

Perfect en V-ing

could I not have been stiffing?
could you not have been stiffing?
could she not have been stiffing?
could we not have been stiffing?
could you not have been stiffing?
could they not have been stiffing?

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