could white
Regular verb: white - whited- whited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could white
you could white
he could white
we could white
you could white
they could white 	I could be whiting
you could be whiting
he could be whiting
we could be whiting
you could be whiting
they could be whiting	I could have whited
you could have whited
he could have whited
we could have whited
you could have whited
they could have whited	I could have been whiting
you could have been whiting
he could have been whiting
we could have been whiting
you could have been whiting
they could have been whiting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not white
you could not white
he could not white
we could not white
you could not white
they could not white 	I could not be whiting
you could not be whiting
he could not be whiting
we could not be whiting
you could not be whiting
they could not be whiting	I could not have whited
you could not have whited
he could not have whited
we could not have whited
you could not have whited
they could not have whited	I could not have been whiting
you could not have been whiting
he could not have been whiting
we could not have been whiting
you could not have been whiting
they could not have been whiting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I white?
could you white?
could he white?
could we white?
could you white?
could they white? 	could I be whiting?
could you be whiting?
could he be whiting?
could we be whiting?
could you be whiting?
could they be whiting? 	could I have whited?
could you have whited?
could he have whited?
could we have whited?
could you have whited?
could they have whited? 	could I have been whiting?
could you have been whiting?
could he have been whiting?
could we have been whiting?
could you have been whiting?
could they have been whiting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not white?
could you not white?
could he not white?
could we not white?
could you not white?
could they not white? 	could I not be whiting?
could you not be whiting?
could he not be whiting?
could we not be whiting?
could you not be whiting?
could they not be whiting? 	could I not have whited?
could you not have whited?
could he not have whited?
could we not have whited?
could you not have whited?
could they not have whited? 	could I not have been whiting?
could you not have been whiting?
could he not have been whiting?
could we not have been whiting?
could you not have been whiting?
could they not have been whiting?