could hop
Regular verb: hop - hopped- hopped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could hop
you could hop
he could hop
we could hop
you could hop
they could hop 	I could be hopping
you could be hopping
he could be hopping
we could be hopping
you could be hopping
they could be hopping	I could have hopped
you could have hopped
he could have hopped
we could have hopped
you could have hopped
they could have hopped	I could have been hopping
you could have been hopping
he could have been hopping
we could have been hopping
you could have been hopping
they could have been hopping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not hop
you could not hop
he could not hop
we could not hop
you could not hop
they could not hop 	I could not be hopping
you could not be hopping
he could not be hopping
we could not be hopping
you could not be hopping
they could not be hopping	I could not have hopped
you could not have hopped
he could not have hopped
we could not have hopped
you could not have hopped
they could not have hopped	I could not have been hopping
you could not have been hopping
he could not have been hopping
we could not have been hopping
you could not have been hopping
they could not have been hopping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I hop?
could you hop?
could he hop?
could we hop?
could you hop?
could they hop? 	could I be hopping?
could you be hopping?
could he be hopping?
could we be hopping?
could you be hopping?
could they be hopping? 	could I have hopped?
could you have hopped?
could he have hopped?
could we have hopped?
could you have hopped?
could they have hopped? 	could I have been hopping?
could you have been hopping?
could he have been hopping?
could we have been hopping?
could you have been hopping?
could they have been hopping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not hop?
could you not hop?
could he not hop?
could we not hop?
could you not hop?
could they not hop? 	could I not be hopping?
could you not be hopping?
could he not be hopping?
could we not be hopping?
could you not be hopping?
could they not be hopping? 	could I not have hopped?
could you not have hopped?
could he not have hopped?
could we not have hopped?
could you not have hopped?
could they not have hopped? 	could I not have been hopping?
could you not have been hopping?
could he not have been hopping?
could we not have been hopping?
could you not have been hopping?
could they not have been hopping?