English verb conjugation
CAN DOPE

Regular verb: dope - doped - doped

Affirmation

Simple form	V-ing form
I can dope you can dope he can dope we can dope you can dope they can dope	I can be doping you can be doping he can be doping we can be doping you can be doping they can be doping
Perfect	V-ing perfect
I can have doped you can have doped he can have doped we can have doped you can have doped they can have doped	I can have been doping you can have been doping he can have been doping we can have been doping you can have been doping they can have been doping

Negation

Simple form	V-ing form
I can't dope you can't dope he can't dope we can't dope you can't dope they can't dope	I can't be doping you can't be doping he can't be doping we can't be doping you can't be doping they can't be doping
Perfect	V-ing perfect
I can't have doped you can't have doped he can't have doped we can't have doped you can't have doped they can't have doped	I can't have been doping you can't have been doping he can't have been doping we can't have been doping you can't have been doping they can't have been doping

Interrogative form

Simple form	V-ing form
can I dope? can you dope? can he dope? can we dope? can you dope? can they dope?	can I be doping? can you be doping? can he be doping? can we be doping? can you be doping? can they be doping?
Perfect	V-ing perfect
can I have doped? can you have doped? can he have doped? can we have doped? can you have doped? can they have doped?	can I have been doping? can you have been doping? can he have been doping? can we have been doping? can you have been doping? can they have been doping?

Interro-negative form

Simple form	V-ing form
can't I dope? can't you dope? can't he dope? can't we dope? can't you dope? can't they dope?	can't I be doping? can't you be doping? can't he be doping? can't we be doping? can't you be doping? can't they be doping?
Perfect	V-ing perfect
can't I have doped? can't you have doped? can't he have doped? can't we have doped? can't you have doped? can't they have doped?	can't I have been doping? can't you have been doping? can't he have been doping? can't we have been doping? can't you have been doping? can't they have been doping?