English verb conjugation
MUST COLLECT

Regular verb: collect - collected - collected

Affirmation

Simple form	V-ing form
I must collect you must collect she must collect we must collect you must collect they must collect	I must be collecting you must be collecting she must be collecting we must be collecting you must be collecting they must be collecting
Perfect	V-ing perfect
I must have collected you must have collected she must have collected we must have collected you must have collected they must have collected	I must have been collecting you must have been collecting she must have been collecting we must have been collecting you must have been collecting they must have been collecting

Negation

Simple form	V-ing form
I must not collect you must not collect she must not collect we must not collect you must not collect they must not collect	I must not be collecting you must not be collecting she must not be collecting we must not be collecting you must not be collecting they must not be collecting
Perfect	V-ing perfect
I must not have collected you must not have collected she must not have collected we must not have collected you must not have collected they must not have collected	I must not have been collecting you must not have been collecting she must not have been collecting we must not have been collecting you must not have been collecting they must not have been collecting

Interrogative form

Simple form	V-ing form
must I collect? must you collect? must she collect? must we collect? must you collect? must they collect?	must I be collecting? must you be collecting? must she be collecting? must we be collecting? must you be collecting? must they be collecting?
Perfect	V-ing perfect
must I have collected? must you have collected? must she have collected? must we have collected? must you have collected? must they have collected?	must I have been collecting? must you have been collecting? must she have been collecting? must we have been collecting? must you have been collecting? must they have been collecting?

Interro-negative form

Simple form	V-ing form
must I not collect? must you not collect? must she not collect? must we not collect? must you not collect? must they not collect?	must I not be collecting? must you not be collecting? must she not be collecting? must we not be collecting? must you not be collecting? must they not be collecting?
Perfect	V-ing perfect
must I not have collected? must you not have collected? must she not have collected? must we not have collected? must you not have collected? must they not have collected?	must I not have been collecting? must you not have been collecting? must she not have been collecting? must we not have been collecting? must you not have been collecting? must they not have been collecting?