could doodle
Regular verb: doodle - doodled- doodled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could doodle
you could doodle
he could doodle
we could doodle
you could doodle
they could doodle 	I could be doodling
you could be doodling
he could be doodling
we could be doodling
you could be doodling
they could be doodling	I could have doodled
you could have doodled
he could have doodled
we could have doodled
you could have doodled
they could have doodled	I could have been doodling
you could have been doodling
he could have been doodling
we could have been doodling
you could have been doodling
they could have been doodling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't doodle
you couldn't doodle
he couldn't doodle
we couldn't doodle
you couldn't doodle
they couldn't doodle 	I couldn't be doodling
you couldn't be doodling
he couldn't be doodling
we couldn't be doodling
you couldn't be doodling
they couldn't be doodling	I couldn't have doodled
you couldn't have doodled
he couldn't have doodled
we couldn't have doodled
you couldn't have doodled
they couldn't have doodled	I couldn't have been doodling
you couldn't have been doodling
he couldn't have been doodling
we couldn't have been doodling
you couldn't have been doodling
they couldn't have been doodling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I doodle?
could you doodle?
could he doodle?
could we doodle?
could you doodle?
could they doodle? 	could I be doodling?
could you be doodling?
could he be doodling?
could we be doodling?
could you be doodling?
could they be doodling? 	could I have doodled?
could you have doodled?
could he have doodled?
could we have doodled?
could you have doodled?
could they have doodled? 	could I have been doodling?
could you have been doodling?
could he have been doodling?
could we have been doodling?
could you have been doodling?
could they have been doodling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I doodle?
couldn't you doodle?
couldn't he doodle?
couldn't we doodle?
couldn't you doodle?
couldn't they doodle? 	couldn't I be doodling?
couldn't you be doodling?
couldn't he be doodling?
couldn't we be doodling?
couldn't you be doodling?
couldn't they be doodling? 	couldn't I have doodled?
couldn't you have doodled?
couldn't he have doodled?
couldn't we have doodled?
couldn't you have doodled?
couldn't they have doodled? 	couldn't I have been doodling?
couldn't you have been doodling?
couldn't he have been doodling?
couldn't we have been doodling?
couldn't you have been doodling?
couldn't they have been doodling?