English verb conjugation
MAY COUNTER

Regular verb: counter - countered - countered

Affirmation

Simple form	V-ing form
I may counter you may counter he may counter we may counter you may counter they may counter	I may be countering you may be countering he may be countering we may be countering you may be countering they may be countering
Perfect	V-ing perfect
I may have countered you may have countered he may have countered we may have countered you may have countered they may have countered	I may have been countering you may have been countering he may have been countering we may have been countering you may have been countering they may have been countering

Negation

Simple form	V-ing form
I may not counter you may not counter he may not counter we may not counter you may not counter they may not counter	I may not be countering you may not be countering he may not be countering we may not be countering you may not be countering they may not be countering
Perfect	V-ing perfect
I may not have countered you may not have countered he may not have countered we may not have countered you may not have countered they may not have countered	I may not have been countering you may not have been countering he may not have been countering we may not have been countering you may not have been countering they may not have been countering

Interrogative form

Simple form	V-ing form
may I counter? may you counter? may he counter? may we counter? may you counter? may they counter?	may I be countering? may you be countering? may he be countering? may we be countering? may you be countering? may they be countering?
Perfect	V-ing perfect
may I have countered? may you have countered? may he have countered? may we have countered? may you have countered? may they have countered?	may I have been countering? may you have been countering? may he have been countering? may we have been countering? may you have been countering? may they have been countering?

Interro-negative form

Simple form	V-ing form
may I not counter? may you not counter? may he not counter? may we not counter? may you not counter? may they not counter?	may I not be countering? may you not be countering? may he not be countering? may we not be countering? may you not be countering? may they not be countering?
Perfect	V-ing perfect
may I not have countered? may you not have countered? may he not have countered? may we not have countered? may you not have countered? may they not have countered?	may I not have been countering? may you not have been countering? may he not have been countering? may we not have been countering? may you not have been countering? may they not have been countering?