could rick
Regular verb: rick - ricked- ricked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rick
you could rick
she could rick
we could rick
you could rick
they could rick 	I could be ricking
you could be ricking
she could be ricking
we could be ricking
you could be ricking
they could be ricking	I could have ricked
you could have ricked
she could have ricked
we could have ricked
you could have ricked
they could have ricked	I could have been ricking
you could have been ricking
she could have been ricking
we could have been ricking
you could have been ricking
they could have been ricking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not rick
you could not rick
she could not rick
we could not rick
you could not rick
they could not rick 	I could not be ricking
you could not be ricking
she could not be ricking
we could not be ricking
you could not be ricking
they could not be ricking	I could not have ricked
you could not have ricked
she could not have ricked
we could not have ricked
you could not have ricked
they could not have ricked	I could not have been ricking
you could not have been ricking
she could not have been ricking
we could not have been ricking
you could not have been ricking
they could not have been ricking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rick?
could you rick?
could she rick?
could we rick?
could you rick?
could they rick? 	could I be ricking?
could you be ricking?
could she be ricking?
could we be ricking?
could you be ricking?
could they be ricking? 	could I have ricked?
could you have ricked?
could she have ricked?
could we have ricked?
could you have ricked?
could they have ricked? 	could I have been ricking?
could you have been ricking?
could she have been ricking?
could we have been ricking?
could you have been ricking?
could they have been ricking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not rick?
could you not rick?
could she not rick?
could we not rick?
could you not rick?
could they not rick? 	could I not be ricking?
could you not be ricking?
could she not be ricking?
could we not be ricking?
could you not be ricking?
could they not be ricking? 	could I not have ricked?
could you not have ricked?
could she not have ricked?
could we not have ricked?
could you not have ricked?
could they not have ricked? 	could I not have been ricking?
could you not have been ricking?
could she not have been ricking?
could we not have been ricking?
could you not have been ricking?
could they not have been ricking?