I do not underperform you do not underperform she does not underperform we do not underperform you do not underperform they do not underperform
Present continuous
I am not underperforming you are not underperforming she is not underperforming we are not underperforming you are not underperforming they are not underperforming
Preterite
I did not underperform you did not underperform she did not underperform we did not underperform you did not underperform they did not underperform
Preterite continuous
I was not underperforming you were not underperforming she was not underperforming we were not underperforming you were not underperforming they were not underperforming
Present perfect
I have not underperformed you have not underperformed she has not underperformed we have not underperformed you have not underperformed they have not underperformed
Present perfect continuous
I have not been underperforming you have not been underperforming she has not been underperforming we have not been underperforming you have not been underperforming they have not been underperforming
Pluperfect
I had not underperformed you had not underperformed she had not underperformed we had not underperformed you had not underperformed they had not underperformed
Pluperfect continuous
I had not been underperforming you had not been underperforming she had not been underperforming we had not been underperforming you had not been underperforming they had not been underperforming
Future
I will not underperform you will not underperform she will not underperform we will not underperform you will not underperform they will not underperform
Future continuous
I will not be underperforming you will not be underperforming she will not be underperforming we will not be underperforming you will not be underperforming they will not be underperforming
Future perfect
I will not have underperformed you will not have underperformed she will not have underperformed we will not have underperformed you will not have underperformed they will not have underperformed
Future perfect continuous
I will not have been underperforming you will not have been underperforming she will not have been underperforming we will not have been underperforming you will not have been underperforming they will not have been underperforming
Conditional
Present
I would not underperform you would not underperform she would not underperform we would not underperform you would not underperform they would not underperform
Present continuous
I would not be underperforming you would not be underperforming she would not be underperforming we would not be underperforming you would not be underperforming they would not be underperforming
Past
I would not have underperformed you would not have underperformed she would not have underperformed we would not have underperformed you would not have underperformed they would not have underperformed
Past continuous
I would not have been underperforming you would not have been underperforming she would not have been underperforming we would not have been underperforming you would not have been underperforming they would not have been underperforming
Imperative
Imperative
do not underperform Let's not underperform do not underperform