English verb conjugation COULD BACKCROSS

Regular verb: backcross - backcrossed - backcrossed

Affirmation

Simple form

I could backcross
you could backcross
she could backcross
we could backcross
you could backcross
they could backcross

V-ing form

I could be backcrossing
you could be backcrossing
she could be backcrossing
we could be backcrossing
you could be backcrossing
they could be backcrossing

Perfect

I could have backcrossed
you could have backcrossed
she could have backcrossed
we could have backcrossed
you could have backcrossed
they could have backcrossed

V-ing perfect

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

Negation

Simple form

I could not backcross
you could not backcross
she could not backcross
we could not backcross
you could not backcross
they could not backcross

V-ing form

I could not be backcrossing
you could not be backcrossing
she 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
she could not have backcrossed
we could not have backcrossed
you could not have backcrossed
they could not have backcrossed

V-ing perfect

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

Interrogative form

Simple form

could I backcross?
could you backcross?
could she backcross?
could we backcross?
could you backcross?
could they backcross?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

could I not be backcrossing?
could you not be backcrossing?
could she 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 she not have backcrossed?
could we not have backcrossed?
could you not have backcrossed?
could they not have backcrossed?

V-ing perfect

could I not have been backcrossing?
could you not have been backcrossing?
could she 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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