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