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