English verb conjugation
MAY DRUM

Regular verb: drum - drummed - drummed

Affirmation

Simple form	V-ing form
I may drum you may drum he may drum we may drum you may drum they may drum	I may be drumming you may be drumming he may be drumming we may be drumming you may be drumming they may be drumming
Perfect	V-ing perfect
I may have drummed you may have drummed he may have drummed we may have drummed you may have drummed they may have drummed	I may have been drumming you may have been drumming he may have been drumming we may have been drumming you may have been drumming they may have been drumming

Negation

Simple form	V-ing form
I mayn't drum you mayn't drum he mayn't drum we mayn't drum you mayn't drum they mayn't drum	I mayn't be drumming you mayn't be drumming he mayn't be drumming we mayn't be drumming you mayn't be drumming they mayn't be drumming
Perfect	V-ing perfect
I mayn't have drummed you mayn't have drummed he mayn't have drummed we mayn't have drummed you mayn't have drummed they mayn't have drummed	I mayn't have been drumming you mayn't have been drumming he mayn't have been drumming we mayn't have been drumming you mayn't have been drumming they mayn't have been drumming

Interrogative form

Simple form	V-ing form
may I drum? may you drum? may he drum? may we drum? may you drum? may they drum?	may I be drumming? may you be drumming? may he be drumming? may we be drumming? may you be drumming? may they be drumming?
Perfect	V-ing perfect
may I have drummed? may you have drummed? may he have drummed? may we have drummed? may you have drummed? may they have drummed?	may I have been drumming? may you have been drumming? may he have been drumming? may we have been drumming? may you have been drumming? may they have been drumming?

Interro-negative form

Simple form	V-ing form
mayn't I drum? mayn't you drum? mayn't he drum? mayn't we drum? mayn't you drum? mayn't they drum?	mayn't I be drumming? mayn't you be drumming? mayn't he be drumming? mayn't we be drumming? mayn't you be drumming? mayn't they be drumming?
Perfect	V-ing perfect
mayn't I have drummed? mayn't you have drummed? mayn't he have drummed? mayn't we have drummed? mayn't you have drummed? mayn't they have drummed?	mayn't I have been drumming? mayn't you have been drumming? mayn't he have been drumming? mayn't we have been drumming? mayn't you have been drumming? mayn't they have been drumming?