English verb conjugation
MIGHT COUNTERVAIL

Regular verb: countervail - countervailed - countervailed

Affirmation

Simple form	V-ing form
I might countervail you might countervail he might countervail we might countervail you might countervail they might countervail	I might be countervailing you might be countervailing he might be countervailing we might be countervailing you might be countervailing they might be countervailing
Perfect	V-ing perfect
I might have countervailed you might have countervailed he might have countervailed we might have countervailed you might have countervailed they might have countervailed	I might have been countervailing you might have been countervailing he might have been countervailing we might have been countervailing you might have been countervailing they might have been countervailing

Negation

Simple form	V-ing form
I mightn't countervail you mightn't countervail he mightn't countervail we mightn't countervail you mightn't countervail they mightn't countervail	I mightn't be countervailing you mightn't be countervailing he mightn't be countervailing we mightn't be countervailing you mightn't be countervailing they mightn't be countervailing
Perfect	V-ing perfect
I mightn't have countervailed you mightn't have countervailed he mightn't have countervailed we mightn't have countervailed you mightn't have countervailed they mightn't have countervailed	I mightn't have been countervailing you mightn't have been countervailing he mightn't have been countervailing we mightn't have been countervailing you mightn't have been countervailing they mightn't have been countervailing

Interrogative form

Simple form	V-ing form
might I countervail? might you countervail? might he countervail? might we countervail? might you countervail? might they countervail?	might I be countervailing? might you be countervailing? might he be countervailing? might we be countervailing? might you be countervailing? might they be countervailing?
Perfect	V-ing perfect
might I have countervailed? might you have countervailed? might he have countervailed? might we have countervailed? might you have countervailed? might they have countervailed?	might I have been countervailing? might you have been countervailing? might he have been countervailing? might we have been countervailing? might you have been countervailing? might they have been countervailing?

Interro-negative form

Simple form	V-ing form
mightn't I countervail? mightn't you countervail? mightn't he countervail? mightn't we countervail? mightn't you countervail? mightn't they countervail?	mightn't I be countervailing? mightn't you be countervailing? mightn't he be countervailing? mightn't we be countervailing? mightn't you be countervailing? mightn't they be countervailing?
Perfect	V-ing perfect
mightn't I have countervailed? mightn't you have countervailed? mightn't he have countervailed? mightn't we have countervailed? mightn't you have countervailed? mightn't they have countervailed?	mightn't I have been countervailing? mightn't you have been countervailing? mightn't he have been countervailing? mightn't we have been countervailing? mightn't you have been countervailing? mightn't they have been countervailing?