I stifle you stifle he stifles we stifle you stifle they stifle
Present continuous
I am stifling you are stifling he is stifling we are stifling you are stifling they are stifling
Preterite
I stifled you stifled he stifled we stifled you stifled they stifled
Preterite continuous
I was stifling you were stifling he was stifling we were stifling you were stifling they were stifling
Present perfect
I have stifled you have stifled he has stifled we have stifled you have stifled they have stifled
Present perfect continuous
I have been stifling you have been stifling he has been stifling we have been stifling you have been stifling they have been stifling
Pluperfect
I had stifled you had stifled he had stifled we had stifled you had stifled they had stifled
Pluperfect continuous
I had been stifling you had been stifling he had been stifling we had been stifling you had been stifling they had been stifling
Future
I will stifle you will stifle he will stifle we will stifle you will stifle they will stifle
Future continuous
I will be stifling you will be stifling he will be stifling we will be stifling you will be stifling they will be stifling
Future perfect
I will have stifled you will have stifled he will have stifled we will have stifled you will have stifled they will have stifled
Future perfect continuous
I will have been stifling you will have been stifling he will have been stifling we will have been stifling you will have been stifling they will have been stifling
Conditional
Present
I would stifle you would stifle he would stifle we would stifle you would stifle they would stifle
Present continuous
I would be stifling you would be stifling he would be stifling we would be stifling you would be stifling they would be stifling
Past
I would have stifled you would have stifled he would have stifled we would have stifled you would have stifled they would have stifled
Past continuous
I would have been stifling you would have been stifling he would have been stifling we would have been stifling you would have been stifling they would have been stifling