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