could spool
Regular verb: spool - spooled- spooled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could spool
you could spool
he could spool
we could spool
you could spool
they could spool 	I could be spooling
you could be spooling
he could be spooling
we could be spooling
you could be spooling
they could be spooling	I could have spooled
you could have spooled
he could have spooled
we could have spooled
you could have spooled
they could have spooled	I could have been spooling
you could have been spooling
he could have been spooling
we could have been spooling
you could have been spooling
they could have been spooling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't spool
you couldn't spool
he couldn't spool
we couldn't spool
you couldn't spool
they couldn't spool 	I couldn't be spooling
you couldn't be spooling
he couldn't be spooling
we couldn't be spooling
you couldn't be spooling
they couldn't be spooling	I couldn't have spooled
you couldn't have spooled
he couldn't have spooled
we couldn't have spooled
you couldn't have spooled
they couldn't have spooled	I couldn't have been spooling
you couldn't have been spooling
he couldn't have been spooling
we couldn't have been spooling
you couldn't have been spooling
they couldn't have been spooling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I spool?
could you spool?
could he spool?
could we spool?
could you spool?
could they spool? 	could I be spooling?
could you be spooling?
could he be spooling?
could we be spooling?
could you be spooling?
could they be spooling? 	could I have spooled?
could you have spooled?
could he have spooled?
could we have spooled?
could you have spooled?
could they have spooled? 	could I have been spooling?
could you have been spooling?
could he have been spooling?
could we have been spooling?
could you have been spooling?
could they have been spooling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I spool?
couldn't you spool?
couldn't he spool?
couldn't we spool?
couldn't you spool?
couldn't they spool? 	couldn't I be spooling?
couldn't you be spooling?
couldn't he be spooling?
couldn't we be spooling?
couldn't you be spooling?
couldn't they be spooling? 	couldn't I have spooled?
couldn't you have spooled?
couldn't he have spooled?
couldn't we have spooled?
couldn't you have spooled?
couldn't they have spooled? 	couldn't I have been spooling?
couldn't you have been spooling?
couldn't he have been spooling?
couldn't we have been spooling?
couldn't you have been spooling?
couldn't they have been spooling?