I do not backcross you do not backcross he does not backcross we do not backcross you do not backcross they do not backcross
Present continuous
I am not backcrossing you are not backcrossing he is not backcrossing we are not backcrossing you are not backcrossing they are not backcrossing
Preterite
I did not backcross you did not backcross he did not backcross we did not backcross you did not backcross they did not backcross
Preterite continuous
I was not backcrossing you were not backcrossing he was not backcrossing we were not backcrossing you were not backcrossing they were not backcrossing
Present perfect
I have not backcrossed you have not backcrossed he has not backcrossed we have not backcrossed you have not backcrossed they have not backcrossed
Present perfect continuous
I have not been backcrossing you have not been backcrossing he has not been backcrossing we have not been backcrossing you have not been backcrossing they have not been backcrossing
Pluperfect
I had not backcrossed you had not backcrossed he had not backcrossed we had not backcrossed you had not backcrossed they had not backcrossed
Pluperfect continuous
I had not been backcrossing you had not been backcrossing he had not been backcrossing we had not been backcrossing you had not been backcrossing they had not been backcrossing
Future
I will not backcross you will not backcross he will not backcross we will not backcross you will not backcross they will not backcross
Future continuous
I will not be backcrossing you will not be backcrossing he will not be backcrossing we will not be backcrossing you will not be backcrossing they will not be backcrossing
Future perfect
I will not have backcrossed you will not have backcrossed he will not have backcrossed we will not have backcrossed you will not have backcrossed they will not have backcrossed
Future perfect continuous
I will not have been backcrossing you will not have been backcrossing he will not have been backcrossing we will not have been backcrossing you will not have been backcrossing they will not have been backcrossing
Conditional
Present
I would not backcross you would not backcross he would not backcross we would not backcross you would not backcross they would not backcross
Present continuous
I would not be backcrossing you would not be backcrossing he would not be backcrossing we would not be backcrossing you would not be backcrossing they would not be backcrossing
Past
I would not have backcrossed you would not have backcrossed he would not have backcrossed we would not have backcrossed you would not have backcrossed they would not have backcrossed
Past continuous
I would not have been backcrossing you would not have been backcrossing he would not have been backcrossing we would not have been backcrossing you would not have been backcrossing they would not have been backcrossing
Imperative
Imperative
do not backcross Let's not backcross do not backcross