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 couldn't furl
you couldn't furl
she couldn't furl
we couldn't furl
you couldn't furl
they couldn't furl 	I couldn't be furling
you couldn't be furling
she couldn't be furling
we couldn't be furling
you couldn't be furling
they couldn't be furling	I couldn't have furled
you couldn't have furled
she couldn't have furled
we couldn't have furled
you couldn't have furled
they couldn't have furled	I couldn't have been furling
you couldn't have been furling
she couldn't have been furling
we couldn't have been furling
you couldn't have been furling
they couldn't 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 	
couldn't I furl?
couldn't you furl?
couldn't she furl?
couldn't we furl?
couldn't you furl?
couldn't they furl? 	couldn't I be furling?
couldn't you be furling?
couldn't she be furling?
couldn't we be furling?
couldn't you be furling?
couldn't they be furling? 	couldn't I have furled?
couldn't you have furled?
couldn't she have furled?
couldn't we have furled?
couldn't you have furled?
couldn't they have furled? 	couldn't I have been furling?
couldn't you have been furling?
couldn't she have been furling?
couldn't we have been furling?
couldn't you have been furling?
couldn't they have been furling?