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 mayn't counter you mayn't counter he mayn't counter we mayn't counter you mayn't counter they mayn't counter	I mayn't be countering you mayn't be countering he mayn't be countering we mayn't be countering you mayn't be countering they mayn't be countering
Perfect	V-ing perfect
I mayn't have countered you mayn't have countered he mayn't have countered we mayn't have countered you mayn't have countered they mayn't have countered	I mayn't have been countering you mayn't have been countering he mayn't have been countering we mayn't have been countering you mayn't have been countering they mayn't 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
mayn't I counter? mayn't you counter? mayn't he counter? mayn't we counter? mayn't you counter? mayn't they counter?	mayn't I be countering? mayn't you be countering? mayn't he be countering? mayn't we be countering? mayn't you be countering? mayn't they be countering?
Perfect	V-ing perfect
mayn't I have countered? mayn't you have countered? mayn't he have countered? mayn't we have countered? mayn't you have countered? mayn't they have countered?	mayn't I have been countering? mayn't you have been countering? mayn't he have been countering? mayn't we have been countering? mayn't you have been countering? mayn't they have been countering?