English verb conjugation
MUST AX

Regular verb: ax - axed - axed

Affirmation

Simple form	V-ing form
I must ax you must ax he must ax we must ax you must ax they must ax	I must be axing you must be axing he must be axing we must be axing you must be axing they must be axing
Perfect	V-ing perfect
I must have axed you must have axed he must have axed we must have axed you must have axed they must have axed	I must have been axing you must have been axing he must have been axing we must have been axing you must have been axing they must have been axing

Negation

Simple form	V-ing form
I mustn't ax you mustn't ax he mustn't ax we mustn't ax you mustn't ax they mustn't ax	I mustn't be axing you mustn't be axing he mustn't be axing we mustn't be axing you mustn't be axing they mustn't be axing
Perfect	V-ing perfect
I mustn't have axed you mustn't have axed he mustn't have axed we mustn't have axed you mustn't have axed they mustn't have axed	I mustn't have been axing you mustn't have been axing he mustn't have been axing we mustn't have been axing you mustn't have been axing they mustn't have been axing

Interrogative form

Simple form	V-ing form
must I ax? must you ax? must he ax? must we ax? must you ax? must they ax?	must I be axing? must you be axing? must he be axing? must we be axing? must you be axing? must they be axing?
Perfect	V-ing perfect
must I have axed? must you have axed? must he have axed? must we have axed? must you have axed? must they have axed?	must I have been axing? must you have been axing? must he have been axing? must we have been axing? must you have been axing? must they have been axing?

Interro-negative form

Simple form	V-ing form
mustn't I ax? mustn't you ax? mustn't he ax? mustn't we ax? mustn't you ax? mustn't they ax?	mustn't I be axing? mustn't you be axing? mustn't he be axing? mustn't we be axing? mustn't you be axing? mustn't they be axing?
Perfect	V-ing perfect
mustn't I have axed? mustn't you have axed? mustn't he have axed? mustn't we have axed? mustn't you have axed? mustn't they have axed?	mustn't I have been axing? mustn't you have been axing? mustn't he have been axing? mustn't we have been axing? mustn't you have been axing? mustn't they have been axing?