I do not leather you do not leather he does not leather we do not leather you do not leather they do not leather
Present continuous
I am not leathering you are not leathering he is not leathering we are not leathering you are not leathering they are not leathering
Preterite
I did not leather you did not leather he did not leather we did not leather you did not leather they did not leather
Preterite continuous
I was not leathering you were not leathering he was not leathering we were not leathering you were not leathering they were not leathering
Present perfect
I have not leathered you have not leathered he has not leathered we have not leathered you have not leathered they have not leathered
Present perfect continuous
I have not been leathering you have not been leathering he has not been leathering we have not been leathering you have not been leathering they have not been leathering
Pluperfect
I had not leathered you had not leathered he had not leathered we had not leathered you had not leathered they had not leathered
Pluperfect continuous
I had not been leathering you had not been leathering he had not been leathering we had not been leathering you had not been leathering they had not been leathering
Future
I will not leather you will not leather he will not leather we will not leather you will not leather they will not leather
Future continuous
I will not be leathering you will not be leathering he will not be leathering we will not be leathering you will not be leathering they will not be leathering
Future perfect
I will not have leathered you will not have leathered he will not have leathered we will not have leathered you will not have leathered they will not have leathered
Future perfect continuous
I will not have been leathering you will not have been leathering he will not have been leathering we will not have been leathering you will not have been leathering they will not have been leathering
Conditional
Present
I would not leather you would not leather he would not leather we would not leather you would not leather they would not leather
Present continuous
I would not be leathering you would not be leathering he would not be leathering we would not be leathering you would not be leathering they would not be leathering
Past
I would not have leathered you would not have leathered he would not have leathered we would not have leathered you would not have leathered they would not have leathered
Past continuous
I would not have been leathering you would not have been leathering he would not have been leathering we would not have been leathering you would not have been leathering they would not have been leathering