English verb conjugation
MAY PLANK

Regular verb: plank - planked - planked

Affirmation

Simple form	V-ing form
I may plank you may plank she may plank we may plank you may plank they may plank	I may be planking you may be planking she may be planking we may be planking you may be planking they may be planking
Perfect	V-ing perfect
I may have planked you may have planked she may have planked we may have planked you may have planked they may have planked	I may have been planking you may have been planking she may have been planking we may have been planking you may have been planking they may have been planking

Negation

Simple form	V-ing form
I mayn't plank you mayn't plank she mayn't plank we mayn't plank you mayn't plank they mayn't plank	I mayn't be planking you mayn't be planking she mayn't be planking we mayn't be planking you mayn't be planking they mayn't be planking
Perfect	V-ing perfect
I mayn't have planked you mayn't have planked she mayn't have planked we mayn't have planked you mayn't have planked they mayn't have planked	I mayn't have been planking you mayn't have been planking she mayn't have been planking we mayn't have been planking you mayn't have been planking they mayn't have been planking

Interrogative form

Simple form	V-ing form
may I plank? may you plank? may she plank? may we plank? may you plank? may they plank?	may I be planking? may you be planking? may she be planking? may we be planking? may you be planking? may they be planking?
Perfect	V-ing perfect
may I have planked? may you have planked? may she have planked? may we have planked? may you have planked? may they have planked?	may I have been planking? may you have been planking? may she have been planking? may we have been planking? may you have been planking? may they have been planking?

Interro-negative form

Simple form	V-ing form
mayn't I plank? mayn't you plank? mayn't she plank? mayn't we plank? mayn't you plank? mayn't they plank?	mayn't I be planking? mayn't you be planking? mayn't she be planking? mayn't we be planking? mayn't you be planking? mayn't they be planking?
Perfect	V-ing perfect
mayn't I have planked? mayn't you have planked? mayn't she have planked? mayn't we have planked? mayn't you have planked? mayn't they have planked?	mayn't I have been planking? mayn't you have been planking? mayn't she have been planking? mayn't we have been planking? mayn't you have been planking? mayn't they have been planking?