English verb conjugation
CAN MASS-PRODUCE

Regular verb: mass-produce - mass-produced - mass-produced

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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