English verb conjugation
MIGHT OVERESTIMATE

Regular verb: overestimate - overestimated - overestimated

Affirmation

Simple form	V-ing form
I might overestimate you might overestimate he might overestimate we might overestimate you might overestimate they might overestimate	I might be overestimating you might be overestimating he might be overestimating we might be overestimating you might be overestimating they might be overestimating
Perfect	V-ing perfect
I might have overestimated you might have overestimated he might have overestimated we might have overestimated you might have overestimated they might have overestimated	I might have been overestimating you might have been overestimating he might have been overestimating we might have been overestimating you might have been overestimating they might have been overestimating

Negation

Simple form	V-ing form
I mightn't overestimate you mightn't overestimate he mightn't overestimate we mightn't overestimate you mightn't overestimate they mightn't overestimate	I mightn't be overestimating you mightn't be overestimating he mightn't be overestimating we mightn't be overestimating you mightn't be overestimating they mightn't be overestimating
Perfect	V-ing perfect
I mightn't have overestimated you mightn't have overestimated he mightn't have overestimated we mightn't have overestimated you mightn't have overestimated they mightn't have overestimated	I mightn't have been overestimating you mightn't have been overestimating he mightn't have been overestimating we mightn't have been overestimating you mightn't have been overestimating they mightn't have been overestimating

Interrogative form

Simple form	V-ing form
might I overestimate? might you overestimate? might he overestimate? might we overestimate? might you overestimate? might they overestimate?	might I be overestimating? might you be overestimating? might he be overestimating? might we be overestimating? might you be overestimating? might they be overestimating?
Perfect	V-ing perfect
might I have overestimated? might you have overestimated? might he have overestimated? might we have overestimated? might you have overestimated? might they have overestimated?	might I have been overestimating? might you have been overestimating? might he have been overestimating? might we have been overestimating? might you have been overestimating? might they have been overestimating?

Interro-negative form

Simple form	V-ing form
mightn't I overestimate? mightn't you overestimate? mightn't he overestimate? mightn't we overestimate? mightn't you overestimate? mightn't they overestimate?	mightn't I be overestimating? mightn't you be overestimating? mightn't he be overestimating? mightn't we be overestimating? mightn't you be overestimating? mightn't they be overestimating?
Perfect	V-ing perfect
mightn't I have overestimated? mightn't you have overestimated? mightn't he have overestimated? mightn't we have overestimated? mightn't you have overestimated? mightn't they have overestimated?	mightn't I have been overestimating? mightn't you have been overestimating? mightn't he have been overestimating? mightn't we have been overestimating? mightn't you have been overestimating? mightn't they have been overestimating?