English verb conjugation
MAY COINCIDE

Regular verb: coincide - coincided - coincided

Affirmation

Simple form	V-ing form
I may coincide you may coincide he may coincide we may coincide you may coincide they may coincide	I may be coinciding you may be coinciding he 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 he 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 he 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 he 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 he 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 he 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 he 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 he coincide? may we coincide? may you coincide? may they coincide?	may I be coinciding? may you be coinciding? may he 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 he 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 he 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 he 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 he 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 he 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 he have been coinciding? mayn't we have been coinciding? mayn't you have been coinciding? mayn't they have been coinciding?