could lace
Regular verb: lace - laced- laced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lace
you could lace
he could lace
we could lace
you could lace
they could lace 	I could be lacing
you could be lacing
he could be lacing
we could be lacing
you could be lacing
they could be lacing	I could have laced
you could have laced
he could have laced
we could have laced
you could have laced
they could have laced	I could have been lacing
you could have been lacing
he could have been lacing
we could have been lacing
you could have been lacing
they could have been lacing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't lace
you couldn't lace
he couldn't lace
we couldn't lace
you couldn't lace
they couldn't lace 	I couldn't be lacing
you couldn't be lacing
he couldn't be lacing
we couldn't be lacing
you couldn't be lacing
they couldn't be lacing	I couldn't have laced
you couldn't have laced
he couldn't have laced
we couldn't have laced
you couldn't have laced
they couldn't have laced	I couldn't have been lacing
you couldn't have been lacing
he couldn't have been lacing
we couldn't have been lacing
you couldn't have been lacing
they couldn't have been lacing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lace?
could you lace?
could he lace?
could we lace?
could you lace?
could they lace? 	could I be lacing?
could you be lacing?
could he be lacing?
could we be lacing?
could you be lacing?
could they be lacing? 	could I have laced?
could you have laced?
could he have laced?
could we have laced?
could you have laced?
could they have laced? 	could I have been lacing?
could you have been lacing?
could he have been lacing?
could we have been lacing?
could you have been lacing?
could they have been lacing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I lace?
couldn't you lace?
couldn't he lace?
couldn't we lace?
couldn't you lace?
couldn't they lace? 	couldn't I be lacing?
couldn't you be lacing?
couldn't he be lacing?
couldn't we be lacing?
couldn't you be lacing?
couldn't they be lacing? 	couldn't I have laced?
couldn't you have laced?
couldn't he have laced?
couldn't we have laced?
couldn't you have laced?
couldn't they have laced? 	couldn't I have been lacing?
couldn't you have been lacing?
couldn't he have been lacing?
couldn't we have been lacing?
couldn't you have been lacing?
couldn't they have been lacing?