English verb conjugation
MUST EXPEND

Regular verb: expend - expended - expended

Affirmation

Simple form	V-ing form
I must expend you must expend he must expend we must expend you must expend they must expend	I must be expending you must be expending he must be expending we must be expending you must be expending they must be expending
Perfect	V-ing perfect
I must have expended you must have expended he must have expended we must have expended you must have expended they must have expended	I must have been expending you must have been expending he must have been expending we must have been expending you must have been expending they must have been expending

Negation

Simple form	V-ing form
I mustn't expend you mustn't expend he mustn't expend we mustn't expend you mustn't expend they mustn't expend	I mustn't be expending you mustn't be expending he mustn't be expending we mustn't be expending you mustn't be expending they mustn't be expending
Perfect	V-ing perfect
I mustn't have expended you mustn't have expended he mustn't have expended we mustn't have expended you mustn't have expended they mustn't have expended	I mustn't have been expending you mustn't have been expending he mustn't have been expending we mustn't have been expending you mustn't have been expending they mustn't have been expending

Interrogative form

Simple form	V-ing form
must I expend? must you expend? must he expend? must we expend? must you expend? must they expend?	must I be expending? must you be expending? must he be expending? must we be expending? must you be expending? must they be expending?
Perfect	V-ing perfect
must I have expended? must you have expended? must he have expended? must we have expended? must you have expended? must they have expended?	must I have been expending? must you have been expending? must he have been expending? must we have been expending? must you have been expending? must they have been expending?

Interro-negative form

Simple form	V-ing form
mustn't I expend? mustn't you expend? mustn't he expend? mustn't we expend? mustn't you expend? mustn't they expend?	mustn't I be expending? mustn't you be expending? mustn't he be expending? mustn't we be expending? mustn't you be expending? mustn't they be expending?
Perfect	V-ing perfect
mustn't I have expended? mustn't you have expended? mustn't he have expended? mustn't we have expended? mustn't you have expended? mustn't they have expended?	mustn't I have been expending? mustn't you have been expending? mustn't he have been expending? mustn't we have been expending? mustn't you have been expending? mustn't they have been expending?