English verb conjugation
CAN OVERSTUFF

Regular verb: overstuff - overstuffed - overstuffed

Affirmation

Simple form	V-ing form
I can overstuff you can overstuff he can overstuff we can overstuff you can overstuff they can overstuff	I can be overstuffing you can be overstuffing he can be overstuffing we can be overstuffing you can be overstuffing they can be overstuffing
Perfect	V-ing perfect
I can have overstuffed you can have overstuffed he can have overstuffed we can have overstuffed you can have overstuffed they can have overstuffed	I can have been overstuffing you can have been overstuffing he can have been overstuffing we can have been overstuffing you can have been overstuffing they can have been overstuffing

Negation

Simple form	V-ing form
I can't overstuff you can't overstuff he can't overstuff we can't overstuff you can't overstuff they can't overstuff	I can't be overstuffing you can't be overstuffing he can't be overstuffing we can't be overstuffing you can't be overstuffing they can't be overstuffing
Perfect	V-ing perfect
I can't have overstuffed you can't have overstuffed he can't have overstuffed we can't have overstuffed you can't have overstuffed they can't have overstuffed	I can't have been overstuffing you can't have been overstuffing he can't have been overstuffing we can't have been overstuffing you can't have been overstuffing they can't have been overstuffing

Interrogative form

Simple form	V-ing form
can I overstuff? can you overstuff? can he overstuff? can we overstuff? can you overstuff? can they overstuff?	can I be overstuffing? can you be overstuffing? can he be overstuffing? can we be overstuffing? can you be overstuffing? can they be overstuffing?
Perfect	V-ing perfect
can I have overstuffed? can you have overstuffed? can he have overstuffed? can we have overstuffed? can you have overstuffed? can they have overstuffed?	can I have been overstuffing? can you have been overstuffing? can he have been overstuffing? can we have been overstuffing? can you have been overstuffing? can they have been overstuffing?

Interro-negative form

Simple form	V-ing form
can't I overstuff? can't you overstuff? can't he overstuff? can't we overstuff? can't you overstuff? can't they overstuff?	can't I be overstuffing? can't you be overstuffing? can't he be overstuffing? can't we be overstuffing? can't you be overstuffing? can't they be overstuffing?
Perfect	V-ing perfect
can't I have overstuffed? can't you have overstuffed? can't he have overstuffed? can't we have overstuffed? can't you have overstuffed? can't they have overstuffed?	can't I have been overstuffing? can't you have been overstuffing? can't he have been overstuffing? can't we have been overstuffing? can't you have been overstuffing? can't they have been overstuffing?