could rinse
Regular verb: rinse - rinsed- rinsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rinse
you could rinse
she could rinse
we could rinse
you could rinse
they could rinse 	I could be rinsing
you could be rinsing
she could be rinsing
we could be rinsing
you could be rinsing
they could be rinsing	I could have rinsed
you could have rinsed
she 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
she 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 couldn't rinse
you couldn't rinse
she couldn't rinse
we couldn't rinse
you couldn't rinse
they couldn't rinse 	I couldn't be rinsing
you couldn't be rinsing
she couldn't be rinsing
we couldn't be rinsing
you couldn't be rinsing
they couldn't be rinsing	I couldn't have rinsed
you couldn't have rinsed
she couldn't have rinsed
we couldn't have rinsed
you couldn't have rinsed
they couldn't have rinsed	I couldn't have been rinsing
you couldn't have been rinsing
she couldn't have been rinsing
we couldn't have been rinsing
you couldn't have been rinsing
they couldn't have been rinsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rinse?
could you rinse?
could she rinse?
could we rinse?
could you rinse?
could they rinse? 	could I be rinsing?
could you be rinsing?
could she be rinsing?
could we be rinsing?
could you be rinsing?
could they be rinsing? 	could I have rinsed?
could you have rinsed?
could she 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 she 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 	
couldn't I rinse?
couldn't you rinse?
couldn't she rinse?
couldn't we rinse?
couldn't you rinse?
couldn't they rinse? 	couldn't I be rinsing?
couldn't you be rinsing?
couldn't she be rinsing?
couldn't we be rinsing?
couldn't you be rinsing?
couldn't they be rinsing? 	couldn't I have rinsed?
couldn't you have rinsed?
couldn't she have rinsed?
couldn't we have rinsed?
couldn't you have rinsed?
couldn't they have rinsed? 	couldn't I have been rinsing?
couldn't you have been rinsing?
couldn't she have been rinsing?
couldn't we have been rinsing?
couldn't you have been rinsing?
couldn't they have been rinsing?