I don't underestimate you don't underestimate he doesn't underestimate we don't underestimate you don't underestimate they don't underestimate
Present continuous
I'm not underestimating you aren't underestimating he isn't underestimating we aren't underestimating you aren't underestimating they aren't underestimating
Preterite
I didn't underestimate you didn't underestimate he didn't underestimate we didn't underestimate you didn't underestimate they didn't underestimate
Preterite continuous
I wasn't underestimating you weren't underestimating he wasn't underestimating we weren't underestimating you weren't underestimating they weren't underestimating
Present perfect
I haven't underestimated you haven't underestimated he hasn't underestimated we haven't underestimated you haven't underestimated they haven't underestimated
Present perfect continuous
I haven't been underestimating you haven't been underestimating he hasn't been underestimating we haven't been underestimating you haven't been underestimating they haven't been underestimating
Pluperfect
I hadn't underestimated you hadn't underestimated he hadn't underestimated we hadn't underestimated you hadn't underestimated they hadn't underestimated
Pluperfect continuous
I hadn't been underestimating you hadn't been underestimating he hadn't been underestimating we hadn't been underestimating you hadn't been underestimating they hadn't been underestimating
Future
I won't underestimate you won't underestimate he won't underestimate we won't underestimate you won't underestimate they won't underestimate
Future continuous
I won't be underestimating you won't be underestimating he won't be underestimating we won't be underestimating you won't be underestimating they won't be underestimating
Future perfect
I won't have underestimated you won't have underestimated he won't have underestimated we won't have underestimated you won't have underestimated they won't have underestimated
Future perfect continuous
I won't have been underestimating you won't have been underestimating he won't have been underestimating we won't have been underestimating you won't have been underestimating they won't have been underestimating
Conditional
Present
I wouldn't underestimate you wouldn't underestimate he wouldn't underestimate we wouldn't underestimate you wouldn't underestimate they wouldn't underestimate
Present continuous
I wouldn't be underestimating you wouldn't be underestimating he wouldn't be underestimating we wouldn't be underestimating you wouldn't be underestimating they wouldn't be underestimating
Past
I wouldn't have underestimated you wouldn't have underestimated he wouldn't have underestimated we wouldn't have underestimated you wouldn't have underestimated they wouldn't have underestimated
Past continuous
I wouldn't have been underestimating you wouldn't have been underestimating he wouldn't have been underestimating we wouldn't have been underestimating you wouldn't have been underestimating they wouldn't have been underestimating
Imperative
Imperative
do not underestimate Let's not underestimate do not underestimate