could lute
Regular verb: lute - luted- luted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lute
you could lute
she could lute
we could lute
you could lute
they could lute 	I could be luting
you could be luting
she could be luting
we could be luting
you could be luting
they could be luting	I could have luted
you could have luted
she could have luted
we could have luted
you could have luted
they could have luted	I could have been luting
you could have been luting
she could have been luting
we could have been luting
you could have been luting
they could have been luting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lute
you couldn't lute
she couldn't lute
we couldn't lute
you couldn't lute
they couldn't lute 	I couldn't be luting
you couldn't be luting
she couldn't be luting
we couldn't be luting
you couldn't be luting
they couldn't be luting	I couldn't have luted
you couldn't have luted
she couldn't have luted
we couldn't have luted
you couldn't have luted
they couldn't have luted	I couldn't have been luting
you couldn't have been luting
she couldn't have been luting
we couldn't have been luting
you couldn't have been luting
they couldn't have been luting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lute?
could you lute?
could she lute?
could we lute?
could you lute?
could they lute? 	could I be luting?
could you be luting?
could she be luting?
could we be luting?
could you be luting?
could they be luting? 	could I have luted?
could you have luted?
could she have luted?
could we have luted?
could you have luted?
could they have luted? 	could I have been luting?
could you have been luting?
could she have been luting?
could we have been luting?
could you have been luting?
could they have been luting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lute?
couldn't you lute?
couldn't she lute?
couldn't we lute?
couldn't you lute?
couldn't they lute? 	couldn't I be luting?
couldn't you be luting?
couldn't she be luting?
couldn't we be luting?
couldn't you be luting?
couldn't they be luting? 	couldn't I have luted?
couldn't you have luted?
couldn't she have luted?
couldn't we have luted?
couldn't you have luted?
couldn't they have luted? 	couldn't I have been luting?
couldn't you have been luting?
couldn't she have been luting?
couldn't we have been luting?
couldn't you have been luting?
couldn't they have been luting?