English verb conjugation
MUST POTTER

Regular verb: potter - pottered - pottered

Affirmation

Simple form	V-ing form
I must potter you must potter he must potter we must potter you must potter they must potter	I must be pottering you must be pottering he must be pottering we must be pottering you must be pottering they must be pottering
Perfect	V-ing perfect
I must have pottered you must have pottered he must have pottered we must have pottered you must have pottered they must have pottered	I must have been pottering you must have been pottering he must have been pottering we must have been pottering you must have been pottering they must have been pottering

Negation

Simple form	V-ing form
I mustn't potter you mustn't potter he mustn't potter we mustn't potter you mustn't potter they mustn't potter	I mustn't be pottering you mustn't be pottering he mustn't be pottering we mustn't be pottering you mustn't be pottering they mustn't be pottering
Perfect	V-ing perfect
I mustn't have pottered you mustn't have pottered he mustn't have pottered we mustn't have pottered you mustn't have pottered they mustn't have pottered	I mustn't have been pottering you mustn't have been pottering he mustn't have been pottering we mustn't have been pottering you mustn't have been pottering they mustn't have been pottering

Interrogative form

Simple form	V-ing form
must I potter? must you potter? must he potter? must we potter? must you potter? must they potter?	must I be pottering? must you be pottering? must he be pottering? must we be pottering? must you be pottering? must they be pottering?
Perfect	V-ing perfect
must I have pottered? must you have pottered? must he have pottered? must we have pottered? must you have pottered? must they have pottered?	must I have been pottering? must you have been pottering? must he have been pottering? must we have been pottering? must you have been pottering? must they have been pottering?

Interro-negative form

Simple form	V-ing form
mustn't I potter? mustn't you potter? mustn't he potter? mustn't we potter? mustn't you potter? mustn't they potter?	mustn't I be pottering? mustn't you be pottering? mustn't he be pottering? mustn't we be pottering? mustn't you be pottering? mustn't they be pottering?
Perfect	V-ing perfect
mustn't I have pottered? mustn't you have pottered? mustn't he have pottered? mustn't we have pottered? mustn't you have pottered? mustn't they have pottered?	mustn't I have been pottering? mustn't you have been pottering? mustn't he have been pottering? mustn't we have been pottering? mustn't you have been pottering? mustn't they have been pottering?