Conjugación del verbo inglés COULD BACKCROSS
Verbo regular: backcross - backcrossed - backcrossed
Afirmación
Forma simple
I could backcrossyou could backcross
he could backcross
we could backcross
you could backcross
they could backcross
Forma con V-ing
I could be backcrossingyou could be backcrossing
he could be backcrossing
we could be backcrossing
you could be backcrossing
they could be backcrossing
Perfecto
I could have backcrossedyou could have backcrossed
he could have backcrossed
we could have backcrossed
you could have backcrossed
they could have backcrossed
Perfecto con V-ing
I could have been backcrossingyou could have been backcrossing
he could have been backcrossing
we could have been backcrossing
you could have been backcrossing
they could have been backcrossing
Negación
Forma simple
I couldn't backcrossyou couldn't backcross
he couldn't backcross
we couldn't backcross
you couldn't backcross
they couldn't backcross
Forma con V-ing
I couldn't be backcrossingyou couldn't be backcrossing
he couldn't be backcrossing
we couldn't be backcrossing
you couldn't be backcrossing
they couldn't be backcrossing
Perfecto
I couldn't have backcrossedyou couldn't have backcrossed
he couldn't have backcrossed
we couldn't have backcrossed
you couldn't have backcrossed
they couldn't have backcrossed
Perfecto con V-ing
I couldn't have been backcrossingyou couldn't have been backcrossing
he couldn't have been backcrossing
we couldn't have been backcrossing
you couldn't have been backcrossing
they couldn't have been backcrossing
Forma interrogativa
Forma simple
could I backcross?could you backcross?
could he backcross?
could we backcross?
could you backcross?
could they backcross?
Forma con 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?
Perfecto
could I have backcrossed?could you have backcrossed?
could he have backcrossed?
could we have backcrossed?
could you have backcrossed?
could they have backcrossed?
Perfecto con 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?
Forma interro-negativa
Forma simple
couldn't I backcross?couldn't you backcross?
couldn't he backcross?
couldn't we backcross?
couldn't you backcross?
couldn't they backcross?
Forma con V-ing
couldn't I be backcrossing?couldn't you be backcrossing?
couldn't he be backcrossing?
couldn't we be backcrossing?
couldn't you be backcrossing?
couldn't they be backcrossing?
Perfecto
couldn't I have backcrossed?couldn't you have backcrossed?
couldn't he have backcrossed?
couldn't we have backcrossed?
couldn't you have backcrossed?
couldn't they have backcrossed?
Perfecto con V-ing
couldn't I have been backcrossing?couldn't you have been backcrossing?
couldn't he have been backcrossing?
couldn't we have been backcrossing?
couldn't you have been backcrossing?
couldn't they have been backcrossing?