I do not stifle you do not stifle she does not stifle we do not stifle you do not stifle they do not stifle
Present continuous
I am not stifling you are not stifling she is not stifling we are not stifling you are not stifling they are not stifling
Preterite
I did not stifle you did not stifle she did not stifle we did not stifle you did not stifle they did not stifle
Preterite continuous
I was not stifling you were not stifling she was not stifling we were not stifling you were not stifling they were not stifling
Present perfect
I have not stifled you have not stifled she has not stifled we have not stifled you have not stifled they have not stifled
Present perfect continuous
I have not been stifling you have not been stifling she has not been stifling we have not been stifling you have not been stifling they have not been stifling
Pluperfect
I had not stifled you had not stifled she had not stifled we had not stifled you had not stifled they had not stifled
Pluperfect continuous
I had not been stifling you had not been stifling she had not been stifling we had not been stifling you had not been stifling they had not been stifling
Future
I will not stifle you will not stifle she will not stifle we will not stifle you will not stifle they will not stifle
Future continuous
I will not be stifling you will not be stifling she will not be stifling we will not be stifling you will not be stifling they will not be stifling
Future perfect
I will not have stifled you will not have stifled she will not have stifled we will not have stifled you will not have stifled they will not have stifled
Future perfect continuous
I will not have been stifling you will not have been stifling she will not have been stifling we will not have been stifling you will not have been stifling they will not have been stifling
Conditional
Present
I would not stifle you would not stifle she would not stifle we would not stifle you would not stifle they would not stifle
Present continuous
I would not be stifling you would not be stifling she would not be stifling we would not be stifling you would not be stifling they would not be stifling
Past
I would not have stifled you would not have stifled she would not have stifled we would not have stifled you would not have stifled they would not have stifled
Past continuous
I would not have been stifling you would not have been stifling she would not have been stifling we would not have been stifling you would not have been stifling they would not have been stifling