Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could water. rinse you could water. rinse he could water. rinse we could water. rinse you could water. rinse they could water. rinse
V-ing form
I could be water. rinsing you could be water. rinsing he could be water. rinsing we could be water. rinsing you could be water. rinsing they could be water. rinsing
Perfect
I could have water. rinsed you could have water. rinsed he could have water. rinsed we could have water. rinsed you could have water. rinsed they could have water. rinsed
V-ing perfect
I could have been water. rinsing you could have been water. rinsing he could have been water. rinsing we could have been water. rinsing you could have been water. rinsing they could have been water. rinsing
Negation
Simple form
I could not water. rinse you could not water. rinse he could not water. rinse we could not water. rinse you could not water. rinse they could not water. rinse
V-ing form
I could not be water. rinsing you could not be water. rinsing he could not be water. rinsing we could not be water. rinsing you could not be water. rinsing they could not be water. rinsing
Perfect
I could not have water. rinsed you could not have water. rinsed he could not have water. rinsed we could not have water. rinsed you could not have water. rinsed they could not have water. rinsed
V-ing perfect
I could not have been water. rinsing you could not have been water. rinsing he could not have been water. rinsing we could not have been water. rinsing you could not have been water. rinsing they could not have been water. rinsing
Interrogative form
Simple form
could I water. rinse? could you water. rinse? could he water. rinse? could we water. rinse? could you water. rinse? could they water. rinse?
V-ing form
could I be water. rinsing? could you be water. rinsing? could he be water. rinsing? could we be water. rinsing? could you be water. rinsing? could they be water. rinsing?
Perfect
could I have water. rinsed? could you have water. rinsed? could he have water. rinsed? could we have water. rinsed? could you have water. rinsed? could they have water. rinsed?
V-ing perfect
could I have been water. rinsing? could you have been water. rinsing? could he have been water. rinsing? could we have been water. rinsing? could you have been water. rinsing? could they have been water. rinsing?
Interro-negative form
Simple form
could I not water. rinse? could you not water. rinse? could he not water. rinse? could we not water. rinse? could you not water. rinse? could they not water. rinse?
V-ing form
could I not be water. rinsing? could you not be water. rinsing? could he not be water. rinsing? could we not be water. rinsing? could you not be water. rinsing? could they not be water. rinsing?
Perfect
could I not have water. rinsed? could you not have water. rinsed? could he not have water. rinsed? could we not have water. rinsed? could you not have water. rinsed? could they not have water. rinsed?
V-ing perfect
could I not have been water. rinsing? could you not have been water. rinsing? could he not have been water. rinsing? could we not have been water. rinsing? could you not have been water. rinsing? could they not have been water. rinsing?