could befool
Regular verb: befool - befooled- befooled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could befool
you could befool
he could befool
we could befool
you could befool
they could befool 	I could be befooling
you could be befooling
he could be befooling
we could be befooling
you could be befooling
they could be befooling	I could have befooled
you could have befooled
he could have befooled
we could have befooled
you could have befooled
they could have befooled	I could have been befooling
you could have been befooling
he could have been befooling
we could have been befooling
you could have been befooling
they could have been befooling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't befool
you couldn't befool
he couldn't befool
we couldn't befool
you couldn't befool
they couldn't befool 	I couldn't be befooling
you couldn't be befooling
he couldn't be befooling
we couldn't be befooling
you couldn't be befooling
they couldn't be befooling	I couldn't have befooled
you couldn't have befooled
he couldn't have befooled
we couldn't have befooled
you couldn't have befooled
they couldn't have befooled	I couldn't have been befooling
you couldn't have been befooling
he couldn't have been befooling
we couldn't have been befooling
you couldn't have been befooling
they couldn't have been befooling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I befool?
could you befool?
could he befool?
could we befool?
could you befool?
could they befool? 	could I be befooling?
could you be befooling?
could he be befooling?
could we be befooling?
could you be befooling?
could they be befooling? 	could I have befooled?
could you have befooled?
could he have befooled?
could we have befooled?
could you have befooled?
could they have befooled? 	could I have been befooling?
could you have been befooling?
could he have been befooling?
could we have been befooling?
could you have been befooling?
could they have been befooling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I befool?
couldn't you befool?
couldn't he befool?
couldn't we befool?
couldn't you befool?
couldn't they befool? 	couldn't I be befooling?
couldn't you be befooling?
couldn't he be befooling?
couldn't we be befooling?
couldn't you be befooling?
couldn't they be befooling? 	couldn't I have befooled?
couldn't you have befooled?
couldn't he have befooled?
couldn't we have befooled?
couldn't you have befooled?
couldn't they have befooled? 	couldn't I have been befooling?
couldn't you have been befooling?
couldn't he have been befooling?
couldn't we have been befooling?
couldn't you have been befooling?
couldn't they have been befooling?