English verb conjugation
MUST BALLOON

Regular verb: balloon - ballooned - ballooned

Affirmation

Simple form	V-ing form
I must balloon you must balloon she must balloon we must balloon you must balloon they must balloon	I must be ballooning you must be ballooning she must be ballooning we must be ballooning you must be ballooning they must be ballooning
Perfect	V-ing perfect
I must have ballooned you must have ballooned she must have ballooned we must have ballooned you must have ballooned they must have ballooned	I must have been ballooning you must have been ballooning she must have been ballooning we must have been ballooning you must have been ballooning they must have been ballooning

Negation

Simple form	V-ing form
I must not balloon you must not balloon she must not balloon we must not balloon you must not balloon they must not balloon	I must not be ballooning you must not be ballooning she must not be ballooning we must not be ballooning you must not be ballooning they must not be ballooning
Perfect	V-ing perfect
I must not have ballooned you must not have ballooned she must not have ballooned we must not have ballooned you must not have ballooned they must not have ballooned	I must not have been ballooning you must not have been ballooning she must not have been ballooning we must not have been ballooning you must not have been ballooning they must not have been ballooning

Interrogative form

Simple form	V-ing form
must I balloon? must you balloon? must she balloon? must we balloon? must you balloon? must they balloon?	must I be ballooning? must you be ballooning? must she be ballooning? must we be ballooning? must you be ballooning? must they be ballooning?
Perfect	V-ing perfect
must I have ballooned? must you have ballooned? must she have ballooned? must we have ballooned? must you have ballooned? must they have ballooned?	must I have been ballooning? must you have been ballooning? must she have been ballooning? must we have been ballooning? must you have been ballooning? must they have been ballooning?

Interro-negative form

Simple form	V-ing form
must I not balloon? must you not balloon? must she not balloon? must we not balloon? must you not balloon? must they not balloon?	must I not be ballooning? must you not be ballooning? must she not be ballooning? must we not be ballooning? must you not be ballooning? must they not be ballooning?
Perfect	V-ing perfect
must I not have ballooned? must you not have ballooned? must she not have ballooned? must we not have ballooned? must you not have ballooned? must they not have ballooned?	must I not have been ballooning? must you not have been ballooning? must she not have been ballooning? must we not have been ballooning? must you not have been ballooning? must they not have been ballooning?