English verb conjugation
MAY APPEAR

Regular verb: appear - appeared - appeared

Affirmation

Simple form	V-ing form
I may appear you may appear he may appear we may appear you may appear they may appear	I may be appearing you may be appearing he may be appearing we may be appearing you may be appearing they may be appearing
Perfect	V-ing perfect
I may have appeared you may have appeared he may have appeared we may have appeared you may have appeared they may have appeared	I may have been appearing you may have been appearing he may have been appearing we may have been appearing you may have been appearing they may have been appearing

Negation

Simple form	V-ing form
I mayn't appear you mayn't appear he mayn't appear we mayn't appear you mayn't appear they mayn't appear	I mayn't be appearing you mayn't be appearing he mayn't be appearing we mayn't be appearing you mayn't be appearing they mayn't be appearing
Perfect	V-ing perfect
I mayn't have appeared you mayn't have appeared he mayn't have appeared we mayn't have appeared you mayn't have appeared they mayn't have appeared	I mayn't have been appearing you mayn't have been appearing he mayn't have been appearing we mayn't have been appearing you mayn't have been appearing they mayn't have been appearing

Interrogative form

Simple form	V-ing form
may I appear? may you appear? may he appear? may we appear? may you appear? may they appear?	may I be appearing? may you be appearing? may he be appearing? may we be appearing? may you be appearing? may they be appearing?
Perfect	V-ing perfect
may I have appeared? may you have appeared? may he have appeared? may we have appeared? may you have appeared? may they have appeared?	may I have been appearing? may you have been appearing? may he have been appearing? may we have been appearing? may you have been appearing? may they have been appearing?

Interro-negative form

Simple form	V-ing form
mayn't I appear? mayn't you appear? mayn't he appear? mayn't we appear? mayn't you appear? mayn't they appear?	mayn't I be appearing? mayn't you be appearing? mayn't he be appearing? mayn't we be appearing? mayn't you be appearing? mayn't they be appearing?
Perfect	V-ing perfect
mayn't I have appeared? mayn't you have appeared? mayn't he have appeared? mayn't we have appeared? mayn't you have appeared? mayn't they have appeared?	mayn't I have been appearing? mayn't you have been appearing? mayn't he have been appearing? mayn't we have been appearing? mayn't you have been appearing? mayn't they have been appearing?