English verb conjugation
COULD PROSE

Regular verb: prose - prosed - prosed

Affirmation

Simple form	V-ing form
I could prose you could prose she could prose we could prose you could prose they could prose	I could be prosing you could be prosing she could be prosing we could be prosing you could be prosing they could be prosing
Perfect	V-ing perfect
I could have prosed you could have prosed she could have prosed we could have prosed you could have prosed they could have prosed	I could have been prosing you could have been prosing she could have been prosing we could have been prosing you could have been prosing they could have been prosing

Negation

Simple form	V-ing form
I could not prose you could not prose she could not prose we could not prose you could not prose they could not prose	I could not be prosing you could not be prosing she could not be prosing we could not be prosing you could not be prosing they could not be prosing
Perfect	V-ing perfect
I could not have prosed you could not have prosed she could not have prosed we could not have prosed you could not have prosed they could not have prosed	I could not have been prosing you could not have been prosing she could not have been prosing we could not have been prosing you could not have been prosing they could not have been prosing

Interrogative form

Simple form	V-ing form
could I prose? could you prose? could she prose? could we prose? could you prose? could they prose?	could I be prosing? could you be prosing? could she be prosing? could we be prosing? could you be prosing? could they be prosing?
Perfect	V-ing perfect
could I have prosed? could you have prosed? could she have prosed? could we have prosed? could you have prosed? could they have prosed?	could I have been prosing? could you have been prosing? could she have been prosing? could we have been prosing? could you have been prosing? could they have been prosing?

Interro-negative form

Simple form	V-ing form
could I not prose? could you not prose? could she not prose? could we not prose? could you not prose? could they not prose?	could I not be prosing? could you not be prosing? could she not be prosing? could we not be prosing? could you not be prosing? could they not be prosing?
Perfect	V-ing perfect
could I not have prosed? could you not have prosed? could she not have prosed? could we not have prosed? could you not have prosed? could they not have prosed?	could I not have been prosing? could you not have been prosing? could she not have been prosing? could we not have been prosing? could you not have been prosing? could they not have been prosing?