English verb conjugation
MUST GUARANTEE

Regular verb: guarantee - guaranteed - guaranteed

Affirmation

Simple form	V-ing form
I must guarantee you must guarantee she must guarantee we must guarantee you must guarantee they must guarantee	I must be guaranteeing you must be guaranteeing she must be guaranteeing we must be guaranteeing you must be guaranteeing they must be guaranteeing
Perfect	V-ing perfect
I must have guaranteed you must have guaranteed she must have guaranteed we must have guaranteed you must have guaranteed they must have guaranteed	I must have been guaranteeing you must have been guaranteeing she must have been guaranteeing we must have been guaranteeing you must have been guaranteeing they must have been guaranteeing

Negation

Simple form	V-ing form
I must not guarantee you must not guarantee she must not guarantee we must not guarantee you must not guarantee they must not guarantee	I must not be guaranteeing you must not be guaranteeing she must not be guaranteeing we must not be guaranteeing you must not be guaranteeing they must not be guaranteeing
Perfect	V-ing perfect
I must not have guaranteed you must not have guaranteed she must not have guaranteed we must not have guaranteed you must not have guaranteed they must not have guaranteed	I must not have been guaranteeing you must not have been guaranteeing she must not have been guaranteeing we must not have been guaranteeing you must not have been guaranteeing they must not have been guaranteeing

Interrogative form

Simple form	V-ing form
must I guarantee? must you guarantee? must she guarantee? must we guarantee? must you guarantee? must they guarantee?	must I be guaranteeing? must you be guaranteeing? must she be guaranteeing? must we be guaranteeing? must you be guaranteeing? must they be guaranteeing?
Perfect	V-ing perfect
must I have guaranteed? must you have guaranteed? must she have guaranteed? must we have guaranteed? must you have guaranteed? must they have guaranteed?	must I have been guaranteeing? must you have been guaranteeing? must she have been guaranteeing? must we have been guaranteeing? must you have been guaranteeing? must they have been guaranteeing?

Interro-negative form

Simple form	V-ing form
must I not guarantee? must you not guarantee? must she not guarantee? must we not guarantee? must you not guarantee? must they not guarantee?	must I not be guaranteeing? must you not be guaranteeing? must she not be guaranteeing? must we not be guaranteeing? must you not be guaranteeing? must they not be guaranteeing?
Perfect	V-ing perfect
must I not have guaranteed? must you not have guaranteed? must she not have guaranteed? must we not have guaranteed? must you not have guaranteed? must they not have guaranteed?	must I not have been guaranteeing? must you not have been guaranteeing? must she not have been guaranteeing? must we not have been guaranteeing? must you not have been guaranteeing? must they not have been guaranteeing?