English verb conjugation
MAY COINCIDE

Regular verb: coincide - coincided - coincided

Affirmation

Simple form	V-ing form
I may coincide you may coincide she may coincide we may coincide you may coincide they may coincide	I may be coinciding you may be coinciding she may be coinciding we may be coinciding you may be coinciding they may be coinciding
Perfect	V-ing perfect
I may have coincided you may have coincided she may have coincided we may have coincided you may have coincided they may have coincided	I may have been coinciding you may have been coinciding she may have been coinciding we may have been coinciding you may have been coinciding they may have been coinciding

Negation

Simple form	V-ing form
I mayn't coincide you mayn't coincide she mayn't coincide we mayn't coincide you mayn't coincide they mayn't coincide	I mayn't be coinciding you mayn't be coinciding she mayn't be coinciding we mayn't be coinciding you mayn't be coinciding they mayn't be coinciding
Perfect	V-ing perfect
I mayn't have coincided you mayn't have coincided she mayn't have coincided we mayn't have coincided you mayn't have coincided they mayn't have coincided	I mayn't have been coinciding you mayn't have been coinciding she mayn't have been coinciding we mayn't have been coinciding you mayn't have been coinciding they mayn't have been coinciding

Interrogative form

Simple form	V-ing form
may I coincide? may you coincide? may she coincide? may we coincide? may you coincide? may they coincide?	may I be coinciding? may you be coinciding? may she be coinciding? may we be coinciding? may you be coinciding? may they be coinciding?
Perfect	V-ing perfect
may I have coincided? may you have coincided? may she have coincided? may we have coincided? may you have coincided? may they have coincided?	may I have been coinciding? may you have been coinciding? may she have been coinciding? may we have been coinciding? may you have been coinciding? may they have been coinciding?

Interro-negative form

Simple form	V-ing form
mayn't I coincide? mayn't you coincide? mayn't she coincide? mayn't we coincide? mayn't you coincide? mayn't they coincide?	mayn't I be coinciding? mayn't you be coinciding? mayn't she be coinciding? mayn't we be coinciding? mayn't you be coinciding? mayn't they be coinciding?
Perfect	V-ing perfect
mayn't I have coincided? mayn't you have coincided? mayn't she have coincided? mayn't we have coincided? mayn't you have coincided? mayn't they have coincided?	mayn't I have been coinciding? mayn't you have been coinciding? mayn't she have been coinciding? mayn't we have been coinciding? mayn't you have been coinciding? mayn't they have been coinciding?