may counter
Regular verb: counter - countered- countered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may counter
you may counter
she may counter
we may counter
you may counter
they may counter 	I may be countering
you may be countering
she may be countering
we may be countering
you may be countering
they may be countering	I may have countered
you may have countered
she 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
she 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 	Perfect 	V-ing perfect 	
I mayn't counter
you mayn't counter
she 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
she mayn't be countering
we mayn't be countering
you mayn't be countering
they mayn't be countering	I mayn't have countered
you mayn't have countered
she 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
she 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 	Perfect 	V-ing perfect 	
may I counter?
may you counter?
may she counter?
may we counter?
may you counter?
may they counter? 	may I be countering?
may you be countering?
may she be countering?
may we be countering?
may you be countering?
may they be countering? 	may I have countered?
may you have countered?
may she 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 she 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 	Perfect 	V-ing perfect 	
mayn't I counter?
mayn't you counter?
mayn't she 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 she be countering?
mayn't we be countering?
mayn't you be countering?
mayn't they be countering? 	mayn't I have countered?
mayn't you have countered?
mayn't she 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 she have been countering?
mayn't we have been countering?
mayn't you have been countering?
mayn't they have been countering?