English verb conjugation
MAY CONCUSS

Regular verb: concuss - concussed - concussed

Affirmation

Simple form	V-ing form
I may concuss you may concuss he may concuss we may concuss you may concuss they may concuss	I may be concussing you may be concussing he may be concussing we may be concussing you may be concussing they may be concussing
Perfect	V-ing perfect
I may have concussed you may have concussed he may have concussed we may have concussed you may have concussed they may have concussed	I may have been concussing you may have been concussing he may have been concussing we may have been concussing you may have been concussing they may have been concussing

Negation

Simple form	V-ing form
I mayn't concuss you mayn't concuss he mayn't concuss we mayn't concuss you mayn't concuss they mayn't concuss	I mayn't be concussing you mayn't be concussing he mayn't be concussing we mayn't be concussing you mayn't be concussing they mayn't be concussing
Perfect	V-ing perfect
I mayn't have concussed you mayn't have concussed he mayn't have concussed we mayn't have concussed you mayn't have concussed they mayn't have concussed	I mayn't have been concussing you mayn't have been concussing he mayn't have been concussing we mayn't have been concussing you mayn't have been concussing they mayn't have been concussing

Interrogative form

Simple form	V-ing form
may I concuss? may you concuss? may he concuss? may we concuss? may you concuss? may they concuss?	may I be concussing? may you be concussing? may he be concussing? may we be concussing? may you be concussing? may they be concussing?
Perfect	V-ing perfect
may I have concussed? may you have concussed? may he have concussed? may we have concussed? may you have concussed? may they have concussed?	may I have been concussing? may you have been concussing? may he have been concussing? may we have been concussing? may you have been concussing? may they have been concussing?

Interro-negative form

Simple form	V-ing form
mayn't I concuss? mayn't you concuss? mayn't he concuss? mayn't we concuss? mayn't you concuss? mayn't they concuss?	mayn't I be concussing? mayn't you be concussing? mayn't he be concussing? mayn't we be concussing? mayn't you be concussing? mayn't they be concussing?
Perfect	V-ing perfect
mayn't I have concussed? mayn't you have concussed? mayn't he have concussed? mayn't we have concussed? mayn't you have concussed? mayn't they have concussed?	mayn't I have been concussing? mayn't you have been concussing? mayn't he have been concussing? mayn't we have been concussing? mayn't you have been concussing? mayn't they have been concussing?