could rime
Regular verb: rime - rimed- rimed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rime
you could rime
he could rime
we could rime
you could rime
they could rime 	I could be riming
you could be riming
he could be riming
we could be riming
you could be riming
they could be riming	I could have rimed
you could have rimed
he could have rimed
we could have rimed
you could have rimed
they could have rimed	I could have been riming
you could have been riming
he could have been riming
we could have been riming
you could have been riming
they could have been riming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't rime
you couldn't rime
he couldn't rime
we couldn't rime
you couldn't rime
they couldn't rime 	I couldn't be riming
you couldn't be riming
he couldn't be riming
we couldn't be riming
you couldn't be riming
they couldn't be riming	I couldn't have rimed
you couldn't have rimed
he couldn't have rimed
we couldn't have rimed
you couldn't have rimed
they couldn't have rimed	I couldn't have been riming
you couldn't have been riming
he couldn't have been riming
we couldn't have been riming
you couldn't have been riming
they couldn't have been riming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rime?
could you rime?
could he rime?
could we rime?
could you rime?
could they rime? 	could I be riming?
could you be riming?
could he be riming?
could we be riming?
could you be riming?
could they be riming? 	could I have rimed?
could you have rimed?
could he have rimed?
could we have rimed?
could you have rimed?
could they have rimed? 	could I have been riming?
could you have been riming?
could he have been riming?
could we have been riming?
could you have been riming?
could they have been riming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I rime?
couldn't you rime?
couldn't he rime?
couldn't we rime?
couldn't you rime?
couldn't they rime? 	couldn't I be riming?
couldn't you be riming?
couldn't he be riming?
couldn't we be riming?
couldn't you be riming?
couldn't they be riming? 	couldn't I have rimed?
couldn't you have rimed?
couldn't he have rimed?
couldn't we have rimed?
couldn't you have rimed?
couldn't they have rimed? 	couldn't I have been riming?
couldn't you have been riming?
couldn't he have been riming?
couldn't we have been riming?
couldn't you have been riming?
couldn't they have been riming?