English verb conjugation
COULD CHAPTER

Regular verb: chapter - chaptered - chaptered

Affirmation

Simple form	V-ing form
I could chapter you could chapter he could chapter we could chapter you could chapter they could chapter	I could be chaptering you could be chaptering he 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 he 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 he 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 couldn't chapter you couldn't chapter he couldn't chapter we couldn't chapter you couldn't chapter they couldn't chapter	I couldn't be chaptering you couldn't be chaptering he couldn't be chaptering we couldn't be chaptering you couldn't be chaptering they couldn't be chaptering
Perfect	V-ing perfect
I couldn't have chaptered you couldn't have chaptered he couldn't have chaptered we couldn't have chaptered you couldn't have chaptered they couldn't have chaptered	I couldn't have been chaptering you couldn't have been chaptering he couldn't have been chaptering we couldn't have been chaptering you couldn't have been chaptering they couldn't have been chaptering

Interrogative form

Simple form	V-ing form
could I chapter? could you chapter? could he chapter? could we chapter? could you chapter? could they chapter?	could I be chaptering? could you be chaptering? could he 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 he 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 he 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
couldn't I chapter? couldn't you chapter? couldn't he chapter? couldn't we chapter? couldn't you chapter? couldn't they chapter?	couldn't I be chaptering? couldn't you be chaptering? couldn't he be chaptering? couldn't we be chaptering? couldn't you be chaptering? couldn't they be chaptering?
Perfect	V-ing perfect
couldn't I have chaptered? couldn't you have chaptered? couldn't he have chaptered? couldn't we have chaptered? couldn't you have chaptered? couldn't they have chaptered?	couldn't I have been chaptering? couldn't you have been chaptering? couldn't he have been chaptering? couldn't we have been chaptering? couldn't you have been chaptering? couldn't they have been chaptering?