English verb conjugation
MUST PRODUCE

Regular verb: produce - produced - produced

Affirmation

Simple form	V-ing form
I must produce you must produce he must produce we must produce you must produce they must produce	I must be producing you must be producing he must be producing we must be producing you must be producing they must be producing
Perfect	V-ing perfect
I must have produced you must have produced he must have produced we must have produced you must have produced they must have produced	I must have been producing you must have been producing he must have been producing we must have been producing you must have been producing they must have been producing

Negation

Simple form	V-ing form
I must not produce you must not produce he must not produce we must not produce you must not produce they must not produce	I must not be producing you must not be producing he must not be producing we must not be producing you must not be producing they must not be producing
Perfect	V-ing perfect
I must not have produced you must not have produced he must not have produced we must not have produced you must not have produced they must not have produced	I must not have been producing you must not have been producing he must not have been producing we must not have been producing you must not have been producing they must not have been producing

Interrogative form

Simple form	V-ing form
must I produce? must you produce? must he produce? must we produce? must you produce? must they produce?	must I be producing? must you be producing? must he be producing? must we be producing? must you be producing? must they be producing?
Perfect	V-ing perfect
must I have produced? must you have produced? must he have produced? must we have produced? must you have produced? must they have produced?	must I have been producing? must you have been producing? must he have been producing? must we have been producing? must you have been producing? must they have been producing?

Interro-negative form

Simple form	V-ing form
must I not produce? must you not produce? must he not produce? must we not produce? must you not produce? must they not produce?	must I not be producing? must you not be producing? must he not be producing? must we not be producing? must you not be producing? must they not be producing?
Perfect	V-ing perfect
must I not have produced? must you not have produced? must he not have produced? must we not have produced? must you not have produced? must they not have produced?	must I not have been producing? must you not have been producing? must he not have been producing? must we not have been producing? must you not have been producing? must they not have been producing?