English verb conjugation
COULD RINSE

Regular verb: rinse - rinsed - rinsed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?