English verb conjugation
MAY BARTER

Regular verb: barter - bartered - bartered

Affirmation

Simple form	V-ing form
I may barter you may barter he may barter we may barter you may barter they may barter	I may be bartering you may be bartering he may be bartering we may be bartering you may be bartering they may be bartering
Perfect	V-ing perfect
I may have bartered you may have bartered he may have bartered we may have bartered you may have bartered they may have bartered	I may have been bartering you may have been bartering he may have been bartering we may have been bartering you may have been bartering they may have been bartering

Negation

Simple form	V-ing form
I mayn't barter you mayn't barter he mayn't barter we mayn't barter you mayn't barter they mayn't barter	I mayn't be bartering you mayn't be bartering he mayn't be bartering we mayn't be bartering you mayn't be bartering they mayn't be bartering
Perfect	V-ing perfect
I mayn't have bartered you mayn't have bartered he mayn't have bartered we mayn't have bartered you mayn't have bartered they mayn't have bartered	I mayn't have been bartering you mayn't have been bartering he mayn't have been bartering we mayn't have been bartering you mayn't have been bartering they mayn't have been bartering

Interrogative form

Simple form	V-ing form
may I barter? may you barter? may he barter? may we barter? may you barter? may they barter?	may I be bartering? may you be bartering? may he be bartering? may we be bartering? may you be bartering? may they be bartering?
Perfect	V-ing perfect
may I have bartered? may you have bartered? may he have bartered? may we have bartered? may you have bartered? may they have bartered?	may I have been bartering? may you have been bartering? may he have been bartering? may we have been bartering? may you have been bartering? may they have been bartering?

Interro-negative form

Simple form	V-ing form
mayn't I barter? mayn't you barter? mayn't he barter? mayn't we barter? mayn't you barter? mayn't they barter?	mayn't I be bartering? mayn't you be bartering? mayn't he be bartering? mayn't we be bartering? mayn't you be bartering? mayn't they be bartering?
Perfect	V-ing perfect
mayn't I have bartered? mayn't you have bartered? mayn't he have bartered? mayn't we have bartered? mayn't you have bartered? mayn't they have bartered?	mayn't I have been bartering? mayn't you have been bartering? mayn't he have been bartering? mayn't we have been bartering? mayn't you have been bartering? mayn't they have been bartering?