could grace
Regular verb: grace - graced- graced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could grace
you could grace
she could grace
we could grace
you could grace
they could grace 	I could be gracing
you could be gracing
she could be gracing
we could be gracing
you could be gracing
they could be gracing	I could have graced
you could have graced
she could have graced
we could have graced
you could have graced
they could have graced	I could have been gracing
you could have been gracing
she could have been gracing
we could have been gracing
you could have been gracing
they could have been gracing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't grace
you couldn't grace
she couldn't grace
we couldn't grace
you couldn't grace
they couldn't grace 	I couldn't be gracing
you couldn't be gracing
she couldn't be gracing
we couldn't be gracing
you couldn't be gracing
they couldn't be gracing	I couldn't have graced
you couldn't have graced
she couldn't have graced
we couldn't have graced
you couldn't have graced
they couldn't have graced	I couldn't have been gracing
you couldn't have been gracing
she couldn't have been gracing
we couldn't have been gracing
you couldn't have been gracing
they couldn't have been gracing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I grace?
could you grace?
could she grace?
could we grace?
could you grace?
could they grace? 	could I be gracing?
could you be gracing?
could she be gracing?
could we be gracing?
could you be gracing?
could they be gracing? 	could I have graced?
could you have graced?
could she have graced?
could we have graced?
could you have graced?
could they have graced? 	could I have been gracing?
could you have been gracing?
could she have been gracing?
could we have been gracing?
could you have been gracing?
could they have been gracing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I grace?
couldn't you grace?
couldn't she grace?
couldn't we grace?
couldn't you grace?
couldn't they grace? 	couldn't I be gracing?
couldn't you be gracing?
couldn't she be gracing?
couldn't we be gracing?
couldn't you be gracing?
couldn't they be gracing? 	couldn't I have graced?
couldn't you have graced?
couldn't she have graced?
couldn't we have graced?
couldn't you have graced?
couldn't they have graced? 	couldn't I have been gracing?
couldn't you have been gracing?
couldn't she have been gracing?
couldn't we have been gracing?
couldn't you have been gracing?
couldn't they have been gracing?