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 couldn't rinse you couldn't rinse he 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 he couldn't be rinsing we couldn't be rinsing you couldn't be rinsing they couldn't be rinsing
Perfect	V-ing perfect
I couldn't have rinsed you couldn't have rinsed he 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 he 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
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
couldn't I rinse? couldn't you rinse? couldn't he 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 he be rinsing? couldn't we be rinsing? couldn't you be rinsing? couldn't they be rinsing?
Perfect	V-ing perfect
couldn't I have rinsed? couldn't you have rinsed? couldn't he 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 he have been rinsing? couldn't we have been rinsing? couldn't you have been rinsing? couldn't they have been rinsing?