could stonewash
Regular verb: stonewash - stonewashed- stonewashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could stonewash
you could stonewash
he could stonewash
we could stonewash
you could stonewash
they could stonewash 	I could be stonewashing
you could be stonewashing
he could be stonewashing
we could be stonewashing
you could be stonewashing
they could be stonewashing	I could have stonewashed
you could have stonewashed
he could have stonewashed
we could have stonewashed
you could have stonewashed
they could have stonewashed	I could have been stonewashing
you could have been stonewashing
he could have been stonewashing
we could have been stonewashing
you could have been stonewashing
they could have been stonewashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't stonewash
you couldn't stonewash
he couldn't stonewash
we couldn't stonewash
you couldn't stonewash
they couldn't stonewash 	I couldn't be stonewashing
you couldn't be stonewashing
he couldn't be stonewashing
we couldn't be stonewashing
you couldn't be stonewashing
they couldn't be stonewashing	I couldn't have stonewashed
you couldn't have stonewashed
he couldn't have stonewashed
we couldn't have stonewashed
you couldn't have stonewashed
they couldn't have stonewashed	I couldn't have been stonewashing
you couldn't have been stonewashing
he couldn't have been stonewashing
we couldn't have been stonewashing
you couldn't have been stonewashing
they couldn't have been stonewashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I stonewash?
could you stonewash?
could he stonewash?
could we stonewash?
could you stonewash?
could they stonewash? 	could I be stonewashing?
could you be stonewashing?
could he be stonewashing?
could we be stonewashing?
could you be stonewashing?
could they be stonewashing? 	could I have stonewashed?
could you have stonewashed?
could he have stonewashed?
could we have stonewashed?
could you have stonewashed?
could they have stonewashed? 	could I have been stonewashing?
could you have been stonewashing?
could he have been stonewashing?
could we have been stonewashing?
could you have been stonewashing?
could they have been stonewashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I stonewash?
couldn't you stonewash?
couldn't he stonewash?
couldn't we stonewash?
couldn't you stonewash?
couldn't they stonewash? 	couldn't I be stonewashing?
couldn't you be stonewashing?
couldn't he be stonewashing?
couldn't we be stonewashing?
couldn't you be stonewashing?
couldn't they be stonewashing? 	couldn't I have stonewashed?
couldn't you have stonewashed?
couldn't he have stonewashed?
couldn't we have stonewashed?
couldn't you have stonewashed?
couldn't they have stonewashed? 	couldn't I have been stonewashing?
couldn't you have been stonewashing?
couldn't he have been stonewashing?
couldn't we have been stonewashing?
couldn't you have been stonewashing?
couldn't they have been stonewashing?