English verb conjugation
CAN PRODUCE

Regular verb: produce - produced - produced

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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