Conjugaison du verbe anglais MUST BACKCROSS

Verbe régulier : backcross - backcrossed - backcrossed

Affirmation

Forme simple

I must backcross
you must backcross
she must backcross
we must backcross
you must backcross
they must backcross

Forme en V-ing

I must be backcrossing
you must be backcrossing
she must be backcrossing
we must be backcrossing
you must be backcrossing
they must be backcrossing

Perfect

I must have backcrossed
you must have backcrossed
she must have backcrossed
we must have backcrossed
you must have backcrossed
they must have backcrossed

Perfect en V-ing

I must have been backcrossing
you must have been backcrossing
she must have been backcrossing
we must have been backcrossing
you must have been backcrossing
they must have been backcrossing

Négation

Forme simple

I must not backcross
you must not backcross
she must not backcross
we must not backcross
you must not backcross
they must not backcross

Forme en V-ing

I must not be backcrossing
you must not be backcrossing
she must not be backcrossing
we must not be backcrossing
you must not be backcrossing
they must not be backcrossing

Perfect

I must not have backcrossed
you must not have backcrossed
she must not have backcrossed
we must not have backcrossed
you must not have backcrossed
they must not have backcrossed

Perfect en V-ing

I must not have been backcrossing
you must not have been backcrossing
she must not have been backcrossing
we must not have been backcrossing
you must not have been backcrossing
they must not have been backcrossing

Forme interrogative

Forme simple

must I backcross?
must you backcross?
must she backcross?
must we backcross?
must you backcross?
must they backcross?

Forme en V-ing

must I be backcrossing?
must you be backcrossing?
must she be backcrossing?
must we be backcrossing?
must you be backcrossing?
must they be backcrossing?

Perfect

must I have backcrossed?
must you have backcrossed?
must she have backcrossed?
must we have backcrossed?
must you have backcrossed?
must they have backcrossed?

Perfect en V-ing

must I have been backcrossing?
must you have been backcrossing?
must she have been backcrossing?
must we have been backcrossing?
must you have been backcrossing?
must they have been backcrossing?

Forme interro-négative

Forme simple

must I not backcross?
must you not backcross?
must she not backcross?
must we not backcross?
must you not backcross?
must they not backcross?

Forme en V-ing

must I not be backcrossing?
must you not be backcrossing?
must she not be backcrossing?
must we not be backcrossing?
must you not be backcrossing?
must they not be backcrossing?

Perfect

must I not have backcrossed?
must you not have backcrossed?
must she not have backcrossed?
must we not have backcrossed?
must you not have backcrossed?
must they not have backcrossed?

Perfect en V-ing

must I not have been backcrossing?
must you not have been backcrossing?
must she not have been backcrossing?
must we not have been backcrossing?
must you not have been backcrossing?
must they not have been backcrossing?

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