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