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