English verb conjugation
COULD CHAPTER

Regular verb: chapter - chaptered - chaptered

Affirmation

Simple form	V-ing form
I could chapter you could chapter she could chapter we could chapter you could chapter they could chapter	I could be chaptering you could be chaptering she could be chaptering we could be chaptering you could be chaptering they could be chaptering
Perfect	V-ing perfect
I could have chaptered you could have chaptered she could have chaptered we could have chaptered you could have chaptered they could have chaptered	I could have been chaptering you could have been chaptering she could have been chaptering we could have been chaptering you could have been chaptering they could have been chaptering

Negation

Simple form	V-ing form
I could not chapter you could not chapter she could not chapter we could not chapter you could not chapter they could not chapter	I could not be chaptering you could not be chaptering she could not be chaptering we could not be chaptering you could not be chaptering they could not be chaptering
Perfect	V-ing perfect
I could not have chaptered you could not have chaptered she could not have chaptered we could not have chaptered you could not have chaptered they could not have chaptered	I could not have been chaptering you could not have been chaptering she could not have been chaptering we could not have been chaptering you could not have been chaptering they could not have been chaptering

Interrogative form

Simple form	V-ing form
could I chapter? could you chapter? could she chapter? could we chapter? could you chapter? could they chapter?	could I be chaptering? could you be chaptering? could she be chaptering? could we be chaptering? could you be chaptering? could they be chaptering?
Perfect	V-ing perfect
could I have chaptered? could you have chaptered? could she have chaptered? could we have chaptered? could you have chaptered? could they have chaptered?	could I have been chaptering? could you have been chaptering? could she have been chaptering? could we have been chaptering? could you have been chaptering? could they have been chaptering?

Interro-negative form

Simple form	V-ing form
could I not chapter? could you not chapter? could she not chapter? could we not chapter? could you not chapter? could they not chapter?	could I not be chaptering? could you not be chaptering? could she not be chaptering? could we not be chaptering? could you not be chaptering? could they not be chaptering?
Perfect	V-ing perfect
could I not have chaptered? could you not have chaptered? could she not have chaptered? could we not have chaptered? could you not have chaptered? could they not have chaptered?	could I not have been chaptering? could you not have been chaptering? could she not have been chaptering? could we not have been chaptering? could you not have been chaptering? could they not have been chaptering?