English verb conjugation
MAY BARK

Regular verb: bark - barked - barked

Affirmation

Simple form	V-ing form
I may bark you may bark he may bark we may bark you may bark they may bark	I may be barking you may be barking he may be barking we may be barking you may be barking they may be barking
Perfect	V-ing perfect
I may have barked you may have barked he may have barked we may have barked you may have barked they may have barked	I may have been barking you may have been barking he may have been barking we may have been barking you may have been barking they may have been barking

Negation

Simple form	V-ing form
I may not bark you may not bark he may not bark we may not bark you may not bark they may not bark	I may not be barking you may not be barking he may not be barking we may not be barking you may not be barking they may not be barking
Perfect	V-ing perfect
I may not have barked you may not have barked he may not have barked we may not have barked you may not have barked they may not have barked	I may not have been barking you may not have been barking he may not have been barking we may not have been barking you may not have been barking they may not have been barking

Interrogative form

Simple form	V-ing form
may I bark? may you bark? may he bark? may we bark? may you bark? may they bark?	may I be barking? may you be barking? may he be barking? may we be barking? may you be barking? may they be barking?
Perfect	V-ing perfect
may I have barked? may you have barked? may he have barked? may we have barked? may you have barked? may they have barked?	may I have been barking? may you have been barking? may he have been barking? may we have been barking? may you have been barking? may they have been barking?

Interro-negative form

Simple form	V-ing form
may I not bark? may you not bark? may he not bark? may we not bark? may you not bark? may they not bark?	may I not be barking? may you not be barking? may he not be barking? may we not be barking? may you not be barking? may they not be barking?
Perfect	V-ing perfect
may I not have barked? may you not have barked? may he not have barked? may we not have barked? may you not have barked? may they not have barked?	may I not have been barking? may you not have been barking? may he not have been barking? may we not have been barking? may you not have been barking? may they not have been barking?