English verb conjugation
CAN BARTER

Regular verb: barter - bartered - bartered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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