English verb conjugation
MUST ADVANCE

Regular verb: advance - advanced - advanced

Affirmation

Simple form	V-ing form
I must advance you must advance he must advance we must advance you must advance they must advance	I must be advancing you must be advancing he must be advancing we must be advancing you must be advancing they must be advancing
Perfect	V-ing perfect
I must have advanced you must have advanced he must have advanced we must have advanced you must have advanced they must have advanced	I must have been advancing you must have been advancing he must have been advancing we must have been advancing you must have been advancing they must have been advancing

Negation

Simple form	V-ing form
I mustn't advance you mustn't advance he mustn't advance we mustn't advance you mustn't advance they mustn't advance	I mustn't be advancing you mustn't be advancing he mustn't be advancing we mustn't be advancing you mustn't be advancing they mustn't be advancing
Perfect	V-ing perfect
I mustn't have advanced you mustn't have advanced he mustn't have advanced we mustn't have advanced you mustn't have advanced they mustn't have advanced	I mustn't have been advancing you mustn't have been advancing he mustn't have been advancing we mustn't have been advancing you mustn't have been advancing they mustn't have been advancing

Interrogative form

Simple form	V-ing form
must I advance? must you advance? must he advance? must we advance? must you advance? must they advance?	must I be advancing? must you be advancing? must he be advancing? must we be advancing? must you be advancing? must they be advancing?
Perfect	V-ing perfect
must I have advanced? must you have advanced? must he have advanced? must we have advanced? must you have advanced? must they have advanced?	must I have been advancing? must you have been advancing? must he have been advancing? must we have been advancing? must you have been advancing? must they have been advancing?

Interro-negative form

Simple form	V-ing form
mustn't I advance? mustn't you advance? mustn't he advance? mustn't we advance? mustn't you advance? mustn't they advance?	mustn't I be advancing? mustn't you be advancing? mustn't he be advancing? mustn't we be advancing? mustn't you be advancing? mustn't they be advancing?
Perfect	V-ing perfect
mustn't I have advanced? mustn't you have advanced? mustn't he have advanced? mustn't we have advanced? mustn't you have advanced? mustn't they have advanced?	mustn't I have been advancing? mustn't you have been advancing? mustn't he have been advancing? mustn't we have been advancing? mustn't you have been advancing? mustn't they have been advancing?