English verb conjugation
MAY CONCUR

Regular verb: concur - concurred - concurred

Affirmation

Simple form	V-ing form
I may concur you may concur she may concur we may concur you may concur they may concur	I may be concurring you may be concurring she may be concurring we may be concurring you may be concurring they may be concurring
Perfect	V-ing perfect
I may have concurred you may have concurred she may have concurred we may have concurred you may have concurred they may have concurred	I may have been concurring you may have been concurring she may have been concurring we may have been concurring you may have been concurring they may have been concurring

Negation

Simple form	V-ing form
I mayn't concur you mayn't concur she mayn't concur we mayn't concur you mayn't concur they mayn't concur	I mayn't be concurring you mayn't be concurring she mayn't be concurring we mayn't be concurring you mayn't be concurring they mayn't be concurring
Perfect	V-ing perfect
I mayn't have concurred you mayn't have concurred she mayn't have concurred we mayn't have concurred you mayn't have concurred they mayn't have concurred	I mayn't have been concurring you mayn't have been concurring she mayn't have been concurring we mayn't have been concurring you mayn't have been concurring they mayn't have been concurring

Interrogative form

Simple form	V-ing form
may I concur? may you concur? may she concur? may we concur? may you concur? may they concur?	may I be concurring? may you be concurring? may she be concurring? may we be concurring? may you be concurring? may they be concurring?
Perfect	V-ing perfect
may I have concurred? may you have concurred? may she have concurred? may we have concurred? may you have concurred? may they have concurred?	may I have been concurring? may you have been concurring? may she have been concurring? may we have been concurring? may you have been concurring? may they have been concurring?

Interro-negative form

Simple form	V-ing form
mayn't I concur? mayn't you concur? mayn't she concur? mayn't we concur? mayn't you concur? mayn't they concur?	mayn't I be concurring? mayn't you be concurring? mayn't she be concurring? mayn't we be concurring? mayn't you be concurring? mayn't they be concurring?
Perfect	V-ing perfect
mayn't I have concurred? mayn't you have concurred? mayn't she have concurred? mayn't we have concurred? mayn't you have concurred? mayn't they have concurred?	mayn't I have been concurring? mayn't you have been concurring? mayn't she have been concurring? mayn't we have been concurring? mayn't you have been concurring? mayn't they have been concurring?