I'll be backcrossing you'll be backcrossing he'll be backcrossing we'll be backcrossing you'll be backcrossing they'll be backcrossing
Perfect
I'll have backcrossed you'll have backcrossed he'll have backcrossed we'll have backcrossed you'll have backcrossed they'll have backcrossed
V-ing perfect
I'll have been backcrossing you'll have been backcrossing he'll have been backcrossing we'll have been backcrossing you'll have been backcrossing they'll have been backcrossing
Negation
Simple form
I won't backcross you won't backcross he won't backcross we won't backcross you won't backcross they won't backcross
V-ing form
I won't be backcrossing you won't be backcrossing he won't be backcrossing we won't be backcrossing you won't be backcrossing they won't be backcrossing
Perfect
I won't have backcrossed you won't have backcrossed he won't have backcrossed we won't have backcrossed you won't have backcrossed they won't have backcrossed
V-ing perfect
I won't have been backcrossing you won't have been backcrossing he won't have been backcrossing we won't have been backcrossing you won't have been backcrossing they won't have been backcrossing
Interrogative form
Simple form
will I backcross? will you backcross? will he backcross? will we backcross? will you backcross? will they backcross?
V-ing form
will I be backcrossing? will you be backcrossing? will he be backcrossing? will we be backcrossing? will you be backcrossing? will they be backcrossing?
Perfect
will I have backcrossed? will you have backcrossed? will he have backcrossed? will we have backcrossed? will you have backcrossed? will they have backcrossed?
V-ing perfect
will I have been backcrossing? will you have been backcrossing? will he have been backcrossing? will we have been backcrossing? will you have been backcrossing? will they have been backcrossing?
Interro-negative form
Simple form
won't I backcross? won't you backcross? won't he backcross? won't we backcross? won't you backcross? won't they backcross?
V-ing form
won't I be backcrossing? won't you be backcrossing? won't he be backcrossing? won't we be backcrossing? won't you be backcrossing? won't they be backcrossing?
Perfect
won't I have backcrossed? won't you have backcrossed? won't he have backcrossed? won't we have backcrossed? won't you have backcrossed? won't they have backcrossed?
V-ing perfect
won't I have been backcrossing? won't you have been backcrossing? won't he have been backcrossing? won't we have been backcrossing? won't you have been backcrossing? won't they have been backcrossing?