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