English verb conjugation
MUST PRODUCE

Regular verb: produce - produced - produced

Affirmation

Simple form	V-ing form
I must produce you must produce she must produce we must produce you must produce they must produce	I must be producing you must be producing she 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 she 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 she 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 mustn't produce you mustn't produce she mustn't produce we mustn't produce you mustn't produce they mustn't produce	I mustn't be producing you mustn't be producing she mustn't be producing we mustn't be producing you mustn't be producing they mustn't be producing
Perfect	V-ing perfect
I mustn't have produced you mustn't have produced she mustn't have produced we mustn't have produced you mustn't have produced they mustn't have produced	I mustn't have been producing you mustn't have been producing she mustn't have been producing we mustn't have been producing you mustn't have been producing they mustn't have been producing

Interrogative form

Simple form	V-ing form
must I produce? must you produce? must she produce? must we produce? must you produce? must they produce?	must I be producing? must you be producing? must she 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 she 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 she 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
mustn't I produce? mustn't you produce? mustn't she produce? mustn't we produce? mustn't you produce? mustn't they produce?	mustn't I be producing? mustn't you be producing? mustn't she be producing? mustn't we be producing? mustn't you be producing? mustn't they be producing?
Perfect	V-ing perfect
mustn't I have produced? mustn't you have produced? mustn't she have produced? mustn't we have produced? mustn't you have produced? mustn't they have produced?	mustn't I have been producing? mustn't you have been producing? mustn't she have been producing? mustn't we have been producing? mustn't you have been producing? mustn't they have been producing?