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 may not appear you may not appear he may not appear we may not appear you may not appear they may not appear	I may not be appearing you may not be appearing he may not be appearing we may not be appearing you may not be appearing they may not be appearing
Perfect	V-ing perfect
I may not have appeared you may not have appeared he may not have appeared we may not have appeared you may not have appeared they may not have appeared	I may not have been appearing you may not have been appearing he may not have been appearing we may not have been appearing you may not have been appearing they may not 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
may I not appear? may you not appear? may he not appear? may we not appear? may you not appear? may they not appear?	may I not be appearing? may you not be appearing? may he not be appearing? may we not be appearing? may you not be appearing? may they not be appearing?
Perfect	V-ing perfect
may I not have appeared? may you not have appeared? may he not have appeared? may we not have appeared? may you not have appeared? may they not have appeared?	may I not have been appearing? may you not have been appearing? may he not have been appearing? may we not have been appearing? may you not have been appearing? may they not have been appearing?