English verb conjugation
MUST EXPEND

Regular verb: expend - expended - expended

Affirmation

Simple form	V-ing form
I must expend you must expend she must expend we must expend you must expend they must expend	I must be expending you must be expending she 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 she 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 she 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 must not expend you must not expend she must not expend we must not expend you must not expend they must not expend	I must not be expending you must not be expending she must not be expending we must not be expending you must not be expending they must not be expending
Perfect	V-ing perfect
I must not have expended you must not have expended she must not have expended we must not have expended you must not have expended they must not have expended	I must not have been expending you must not have been expending she must not have been expending we must not have been expending you must not have been expending they must not have been expending

Interrogative form

Simple form	V-ing form
must I expend? must you expend? must she expend? must we expend? must you expend? must they expend?	must I be expending? must you be expending? must she 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 she 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 she 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
must I not expend? must you not expend? must she not expend? must we not expend? must you not expend? must they not expend?	must I not be expending? must you not be expending? must she not be expending? must we not be expending? must you not be expending? must they not be expending?
Perfect	V-ing perfect
must I not have expended? must you not have expended? must she not have expended? must we not have expended? must you not have expended? must they not have expended?	must I not have been expending? must you not have been expending? must she not have been expending? must we not have been expending? must you not have been expending? must they not have been expending?