English verb conjugation
MUST SOUTH

Regular verb: south - southed - southed

Affirmation

Simple form	V-ing form
I must south you must south he must south we must south you must south they must south	I must be southing you must be southing he must be southing we must be southing you must be southing they must be southing
Perfect	V-ing perfect
I must have southed you must have southed he must have southed we must have southed you must have southed they must have southed	I must have been southing you must have been southing he must have been southing we must have been southing you must have been southing they must have been southing

Negation

Simple form	V-ing form
I mustn't south you mustn't south he mustn't south we mustn't south you mustn't south they mustn't south	I mustn't be southing you mustn't be southing he mustn't be southing we mustn't be southing you mustn't be southing they mustn't be southing
Perfect	V-ing perfect
I mustn't have southed you mustn't have southed he mustn't have southed we mustn't have southed you mustn't have southed they mustn't have southed	I mustn't have been southing you mustn't have been southing he mustn't have been southing we mustn't have been southing you mustn't have been southing they mustn't have been southing

Interrogative form

Simple form	V-ing form
must I south? must you south? must he south? must we south? must you south? must they south?	must I be southing? must you be southing? must he be southing? must we be southing? must you be southing? must they be southing?
Perfect	V-ing perfect
must I have southed? must you have southed? must he have southed? must we have southed? must you have southed? must they have southed?	must I have been southing? must you have been southing? must he have been southing? must we have been southing? must you have been southing? must they have been southing?

Interro-negative form

Simple form	V-ing form
mustn't I south? mustn't you south? mustn't he south? mustn't we south? mustn't you south? mustn't they south?	mustn't I be southing? mustn't you be southing? mustn't he be southing? mustn't we be southing? mustn't you be southing? mustn't they be southing?
Perfect	V-ing perfect
mustn't I have southed? mustn't you have southed? mustn't he have southed? mustn't we have southed? mustn't you have southed? mustn't they have southed?	mustn't I have been southing? mustn't you have been southing? mustn't he have been southing? mustn't we have been southing? mustn't you have been southing? mustn't they have been southing?