English verb conjugation
MAY VACUUM

Regular verb: vacuum - vacuumed - vacuumed

Affirmation

Simple form	V-ing form
I may vacuum you may vacuum he may vacuum we may vacuum you may vacuum they may vacuum	I may be vacuuming you may be vacuuming he may be vacuuming we may be vacuuming you may be vacuuming they may be vacuuming
Perfect	V-ing perfect
I may have vacuumed you may have vacuumed he may have vacuumed we may have vacuumed you may have vacuumed they may have vacuumed	I may have been vacuuming you may have been vacuuming he may have been vacuuming we may have been vacuuming you may have been vacuuming they may have been vacuuming

Negation

Simple form	V-ing form
I mayn't vacuum you mayn't vacuum he mayn't vacuum we mayn't vacuum you mayn't vacuum they mayn't vacuum	I mayn't be vacuuming you mayn't be vacuuming he mayn't be vacuuming we mayn't be vacuuming you mayn't be vacuuming they mayn't be vacuuming
Perfect	V-ing perfect
I mayn't have vacuumed you mayn't have vacuumed he mayn't have vacuumed we mayn't have vacuumed you mayn't have vacuumed they mayn't have vacuumed	I mayn't have been vacuuming you mayn't have been vacuuming he mayn't have been vacuuming we mayn't have been vacuuming you mayn't have been vacuuming they mayn't have been vacuuming

Interrogative form

Simple form	V-ing form
may I vacuum? may you vacuum? may he vacuum? may we vacuum? may you vacuum? may they vacuum?	may I be vacuuming? may you be vacuuming? may he be vacuuming? may we be vacuuming? may you be vacuuming? may they be vacuuming?
Perfect	V-ing perfect
may I have vacuumed? may you have vacuumed? may he have vacuumed? may we have vacuumed? may you have vacuumed? may they have vacuumed?	may I have been vacuuming? may you have been vacuuming? may he have been vacuuming? may we have been vacuuming? may you have been vacuuming? may they have been vacuuming?

Interro-negative form

Simple form	V-ing form
mayn't I vacuum? mayn't you vacuum? mayn't he vacuum? mayn't we vacuum? mayn't you vacuum? mayn't they vacuum?	mayn't I be vacuuming? mayn't you be vacuuming? mayn't he be vacuuming? mayn't we be vacuuming? mayn't you be vacuuming? mayn't they be vacuuming?
Perfect	V-ing perfect
mayn't I have vacuumed? mayn't you have vacuumed? mayn't he have vacuumed? mayn't we have vacuumed? mayn't you have vacuumed? mayn't they have vacuumed?	mayn't I have been vacuuming? mayn't you have been vacuuming? mayn't he have been vacuuming? mayn't we have been vacuuming? mayn't you have been vacuuming? mayn't they have been vacuuming?