Conjugaison du verbe anglais COULD BACKCROSS

Verbe régulier : backcross - backcrossed - backcrossed

Affirmation

Forme simple

I could backcross
you could backcross
he could backcross
we could backcross
you could backcross
they could backcross

Forme en V-ing

I could be backcrossing
you could be backcrossing
he could be backcrossing
we could be backcrossing
you could be backcrossing
they could be backcrossing

Perfect

I could have backcrossed
you could have backcrossed
he could have backcrossed
we could have backcrossed
you could have backcrossed
they could have backcrossed

Perfect en V-ing

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

Négation

Forme simple

I could not backcross
you could not backcross
he could not backcross
we could not backcross
you could not backcross
they could not backcross

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interrogative

Forme simple

could I backcross?
could you backcross?
could he backcross?
could we backcross?
could you backcross?
could they backcross?

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

Forme interro-négative

Forme simple

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

Forme en V-ing

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

Perfect

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

Perfect en V-ing

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

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