English verb conjugation
MUST ADVANCE

Regular verb: advance - advanced - advanced

Affirmation

Simple form	V-ing form
I must advance you must advance she must advance we must advance you must advance they must advance	I must be advancing you must be advancing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she advance? must we advance? must you advance? must they advance?	must I be advancing? must you be advancing? must she 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 she 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 she 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 she 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 she 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 she 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 she have been advancing? mustn't we have been advancing? mustn't you have been advancing? mustn't they have been advancing?