could furl
Regular verb: furl - furled- furled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could furl
you could furl
she could furl
we could furl
you could furl
they could furl 	I could be furling
you could be furling
she could be furling
we could be furling
you could be furling
they could be furling	I could have furled
you could have furled
she could have furled
we could have furled
you could have furled
they could have furled	I could have been furling
you could have been furling
she could have been furling
we could have been furling
you could have been furling
they could have been furling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not furl
you could not furl
she could not furl
we could not furl
you could not furl
they could not furl 	I could not be furling
you could not be furling
she could not be furling
we could not be furling
you could not be furling
they could not be furling	I could not have furled
you could not have furled
she could not have furled
we could not have furled
you could not have furled
they could not have furled	I could not have been furling
you could not have been furling
she could not have been furling
we could not have been furling
you could not have been furling
they could not have been furling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I furl?
could you furl?
could she furl?
could we furl?
could you furl?
could they furl? 	could I be furling?
could you be furling?
could she be furling?
could we be furling?
could you be furling?
could they be furling? 	could I have furled?
could you have furled?
could she have furled?
could we have furled?
could you have furled?
could they have furled? 	could I have been furling?
could you have been furling?
could she have been furling?
could we have been furling?
could you have been furling?
could they have been furling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not furl?
could you not furl?
could she not furl?
could we not furl?
could you not furl?
could they not furl? 	could I not be furling?
could you not be furling?
could she not be furling?
could we not be furling?
could you not be furling?
could they not be furling? 	could I not have furled?
could you not have furled?
could she not have furled?
could we not have furled?
could you not have furled?
could they not have furled? 	could I not have been furling?
could you not have been furling?
could she not have been furling?
could we not have been furling?
could you not have been furling?
could they not have been furling?