could airbrush
Regular verb: airbrush - airbrushed- airbrushed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could airbrush
you could airbrush
she could airbrush
we could airbrush
you could airbrush
they could airbrush 	I could be airbrushing
you could be airbrushing
she could be airbrushing
we could be airbrushing
you could be airbrushing
they could be airbrushing	I could have airbrushed
you could have airbrushed
she could have airbrushed
we could have airbrushed
you could have airbrushed
they could have airbrushed	I could have been airbrushing
you could have been airbrushing
she could have been airbrushing
we could have been airbrushing
you could have been airbrushing
they could have been airbrushing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not airbrush
you could not airbrush
she could not airbrush
we could not airbrush
you could not airbrush
they could not airbrush 	I could not be airbrushing
you could not be airbrushing
she could not be airbrushing
we could not be airbrushing
you could not be airbrushing
they could not be airbrushing	I could not have airbrushed
you could not have airbrushed
she could not have airbrushed
we could not have airbrushed
you could not have airbrushed
they could not have airbrushed	I could not have been airbrushing
you could not have been airbrushing
she could not have been airbrushing
we could not have been airbrushing
you could not have been airbrushing
they could not have been airbrushing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I airbrush?
could you airbrush?
could she airbrush?
could we airbrush?
could you airbrush?
could they airbrush? 	could I be airbrushing?
could you be airbrushing?
could she be airbrushing?
could we be airbrushing?
could you be airbrushing?
could they be airbrushing? 	could I have airbrushed?
could you have airbrushed?
could she have airbrushed?
could we have airbrushed?
could you have airbrushed?
could they have airbrushed? 	could I have been airbrushing?
could you have been airbrushing?
could she have been airbrushing?
could we have been airbrushing?
could you have been airbrushing?
could they have been airbrushing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not airbrush?
could you not airbrush?
could she not airbrush?
could we not airbrush?
could you not airbrush?
could they not airbrush? 	could I not be airbrushing?
could you not be airbrushing?
could she not be airbrushing?
could we not be airbrushing?
could you not be airbrushing?
could they not be airbrushing? 	could I not have airbrushed?
could you not have airbrushed?
could she not have airbrushed?
could we not have airbrushed?
could you not have airbrushed?
could they not have airbrushed? 	could I not have been airbrushing?
could you not have been airbrushing?
could she not have been airbrushing?
could we not have been airbrushing?
could you not have been airbrushing?
could they not have been airbrushing?