I underperform you underperform he underperforms we underperform you underperform they underperform
Present continuous
I am underperforming you are underperforming he is underperforming we are underperforming you are underperforming they are underperforming
Preterite
I underperformed you underperformed he underperformed we underperformed you underperformed they underperformed
Preterite continuous
I was underperforming you were underperforming he was underperforming we were underperforming you were underperforming they were underperforming
Present perfect
I have underperformed you have underperformed he has underperformed we have underperformed you have underperformed they have underperformed
Present perfect continuous
I have been underperforming you have been underperforming he has been underperforming we have been underperforming you have been underperforming they have been underperforming
Pluperfect
I had underperformed you had underperformed he had underperformed we had underperformed you had underperformed they had underperformed
Pluperfect continuous
I had been underperforming you had been underperforming he had been underperforming we had been underperforming you had been underperforming they had been underperforming
Future
I will underperform you will underperform he will underperform we will underperform you will underperform they will underperform
Future continuous
I will be underperforming you will be underperforming he will be underperforming we will be underperforming you will be underperforming they will be underperforming
Future perfect
I will have underperformed you will have underperformed he will have underperformed we will have underperformed you will have underperformed they will have underperformed
Future perfect continuous
I will have been underperforming you will have been underperforming he will have been underperforming we will have been underperforming you will have been underperforming they will have been underperforming
Conditional
Present
I would underperform you would underperform he would underperform we would underperform you would underperform they would underperform
Present continuous
I would be underperforming you would be underperforming he would be underperforming we would be underperforming you would be underperforming they would be underperforming
Past
I would have underperformed you would have underperformed he would have underperformed we would have underperformed you would have underperformed they would have underperformed
Past continuous
I would have been underperforming you would have been underperforming he would have been underperforming we would have been underperforming you would have been underperforming they would have been underperforming