could rinse
Regular verb: rinse - rinsed- rinsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rinse
you could rinse
he could rinse
we could rinse
you could rinse
they could rinse 	I could be rinsing
you could be rinsing
he could be rinsing
we could be rinsing
you could be rinsing
they could be rinsing	I could have rinsed
you could have rinsed
he could have rinsed
we could have rinsed
you could have rinsed
they could have rinsed	I could have been rinsing
you could have been rinsing
he could have been rinsing
we could have been rinsing
you could have been rinsing
they could have been rinsing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not rinse
you could not rinse
he could not rinse
we could not rinse
you could not rinse
they could not rinse 	I could not be rinsing
you could not be rinsing
he could not be rinsing
we could not be rinsing
you could not be rinsing
they could not be rinsing	I could not have rinsed
you could not have rinsed
he could not have rinsed
we could not have rinsed
you could not have rinsed
they could not have rinsed	I could not have been rinsing
you could not have been rinsing
he could not have been rinsing
we could not have been rinsing
you could not have been rinsing
they could not have been rinsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rinse?
could you rinse?
could he rinse?
could we rinse?
could you rinse?
could they rinse? 	could I be rinsing?
could you be rinsing?
could he be rinsing?
could we be rinsing?
could you be rinsing?
could they be rinsing? 	could I have rinsed?
could you have rinsed?
could he have rinsed?
could we have rinsed?
could you have rinsed?
could they have rinsed? 	could I have been rinsing?
could you have been rinsing?
could he have been rinsing?
could we have been rinsing?
could you have been rinsing?
could they have been rinsing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not rinse?
could you not rinse?
could he not rinse?
could we not rinse?
could you not rinse?
could they not rinse? 	could I not be rinsing?
could you not be rinsing?
could he not be rinsing?
could we not be rinsing?
could you not be rinsing?
could they not be rinsing? 	could I not have rinsed?
could you not have rinsed?
could he not have rinsed?
could we not have rinsed?
could you not have rinsed?
could they not have rinsed? 	could I not have been rinsing?
could you not have been rinsing?
could he not have been rinsing?
could we not have been rinsing?
could you not have been rinsing?
could they not have been rinsing?