I do not prevent you do not prevent she 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 she is not preventing we are not preventing you are not preventing they are not preventing
Preterite
I did not prevent you did not prevent she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she 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 she would not have been preventing we would not have been preventing you would not have been preventing they would not have been preventing