English verb conjugation
MUST CHAPTER

Regular verb: chapter - chaptered - chaptered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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