Conjugación del verbo inglés MUST BACKCROSS

Verbo regular: backcross - backcrossed - backcrossed

Afirmación

Forma simple

I must backcross
you must backcross
he must backcross
we must backcross
you must backcross
they must backcross

Forma con V-ing

I must be backcrossing
you must be backcrossing
he must be backcrossing
we must be backcrossing
you must be backcrossing
they must be backcrossing

Perfecto

I must have backcrossed
you must have backcrossed
he must have backcrossed
we must have backcrossed
you must have backcrossed
they must have backcrossed

Perfecto con V-ing

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

Negación

Forma simple

I mustn't backcross
you mustn't backcross
he mustn't backcross
we mustn't backcross
you mustn't backcross
they mustn't backcross

Forma con V-ing

I mustn't be backcrossing
you mustn't be backcrossing
he mustn't be backcrossing
we mustn't be backcrossing
you mustn't be backcrossing
they mustn't be backcrossing

Perfecto

I mustn't have backcrossed
you mustn't have backcrossed
he mustn't have backcrossed
we mustn't have backcrossed
you mustn't have backcrossed
they mustn't have backcrossed

Perfecto con V-ing

I mustn't have been backcrossing
you mustn't have been backcrossing
he mustn't have been backcrossing
we mustn't have been backcrossing
you mustn't have been backcrossing
they mustn't have been backcrossing

Forma interrogativa

Forma simple

must I backcross?
must you backcross?
must he backcross?
must we backcross?
must you backcross?
must they backcross?

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

Forma interro-negativa

Forma simple

mustn't I backcross?
mustn't you backcross?
mustn't he backcross?
mustn't we backcross?
mustn't you backcross?
mustn't they backcross?

Forma con V-ing

mustn't I be backcrossing?
mustn't you be backcrossing?
mustn't he be backcrossing?
mustn't we be backcrossing?
mustn't you be backcrossing?
mustn't they be backcrossing?

Perfecto

mustn't I have backcrossed?
mustn't you have backcrossed?
mustn't he have backcrossed?
mustn't we have backcrossed?
mustn't you have backcrossed?
mustn't they have backcrossed?

Perfecto con V-ing

mustn't I have been backcrossing?
mustn't you have been backcrossing?
mustn't he have been backcrossing?
mustn't we have been backcrossing?
mustn't you have been backcrossing?
mustn't they have been backcrossing?

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