could ride
Irregular verb: ride - rode- ridden

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could ride
you could ride
he could ride
we could ride
you could ride
they could ride 	I could be riding
you could be riding
he could be riding
we could be riding
you could be riding
they could be riding	I could have ridden
you could have ridden
he could have ridden
we could have ridden
you could have ridden
they could have ridden	I could have been riding
you could have been riding
he could have been riding
we could have been riding
you could have been riding
they could have been riding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not ride
you could not ride
he could not ride
we could not ride
you could not ride
they could not ride 	I could not be riding
you could not be riding
he could not be riding
we could not be riding
you could not be riding
they could not be riding	I could not have ridden
you could not have ridden
he could not have ridden
we could not have ridden
you could not have ridden
they could not have ridden	I could not have been riding
you could not have been riding
he could not have been riding
we could not have been riding
you could not have been riding
they could not have been riding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I ride?
could you ride?
could he ride?
could we ride?
could you ride?
could they ride? 	could I be riding?
could you be riding?
could he be riding?
could we be riding?
could you be riding?
could they be riding? 	could I have ridden?
could you have ridden?
could he have ridden?
could we have ridden?
could you have ridden?
could they have ridden? 	could I have been riding?
could you have been riding?
could he have been riding?
could we have been riding?
could you have been riding?
could they have been riding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not ride?
could you not ride?
could he not ride?
could we not ride?
could you not ride?
could they not ride? 	could I not be riding?
could you not be riding?
could he not be riding?
could we not be riding?
could you not be riding?
could they not be riding? 	could I not have ridden?
could you not have ridden?
could he not have ridden?
could we not have ridden?
could you not have ridden?
could they not have ridden? 	could I not have been riding?
could you not have been riding?
could he not have been riding?
could we not have been riding?
could you not have been riding?
could they not have been riding?