English verb conjugation
MUST PLUMMET

Regular verb: plummet - plummeted - plummeted

Affirmation

Simple form	V-ing form
I must plummet you must plummet he must plummet we must plummet you must plummet they must plummet	I must be plummeting you must be plummeting he must be plummeting we must be plummeting you must be plummeting they must be plummeting
Perfect	V-ing perfect
I must have plummeted you must have plummeted he must have plummeted we must have plummeted you must have plummeted they must have plummeted	I must have been plummeting you must have been plummeting he must have been plummeting we must have been plummeting you must have been plummeting they must have been plummeting

Negation

Simple form	V-ing form
I must not plummet you must not plummet he must not plummet we must not plummet you must not plummet they must not plummet	I must not be plummeting you must not be plummeting he must not be plummeting we must not be plummeting you must not be plummeting they must not be plummeting
Perfect	V-ing perfect
I must not have plummeted you must not have plummeted he must not have plummeted we must not have plummeted you must not have plummeted they must not have plummeted	I must not have been plummeting you must not have been plummeting he must not have been plummeting we must not have been plummeting you must not have been plummeting they must not have been plummeting

Interrogative form

Simple form	V-ing form
must I plummet? must you plummet? must he plummet? must we plummet? must you plummet? must they plummet?	must I be plummeting? must you be plummeting? must he be plummeting? must we be plummeting? must you be plummeting? must they be plummeting?
Perfect	V-ing perfect
must I have plummeted? must you have plummeted? must he have plummeted? must we have plummeted? must you have plummeted? must they have plummeted?	must I have been plummeting? must you have been plummeting? must he have been plummeting? must we have been plummeting? must you have been plummeting? must they have been plummeting?

Interro-negative form

Simple form	V-ing form
must I not plummet? must you not plummet? must he not plummet? must we not plummet? must you not plummet? must they not plummet?	must I not be plummeting? must you not be plummeting? must he not be plummeting? must we not be plummeting? must you not be plummeting? must they not be plummeting?
Perfect	V-ing perfect
must I not have plummeted? must you not have plummeted? must he not have plummeted? must we not have plummeted? must you not have plummeted? must they not have plummeted?	must I not have been plummeting? must you not have been plummeting? must he not have been plummeting? must we not have been plummeting? must you not have been plummeting? must they not have been plummeting?