can dope
Regular verb: dope - doped- doped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?