English verb conjugation COULD PRODUCE

Regular verb: produce - produced - produced

Affirmation

Simple form

I could produce
you could produce
he could produce
we could produce
you could produce
they could produce

V-ing form

I could be producing
you could be producing
he could be producing
we could be producing
you could be producing
they could be producing

Perfect

I could have produced
you could have produced
he could have produced
we could have produced
you could have produced
they could have produced

V-ing perfect

I could have been producing
you could have been producing
he could have been producing
we could have been producing
you could have been producing
they could have been producing

Negation

Simple form

I could not produce
you could not produce
he could not produce
we could not produce
you could not produce
they could not produce

V-ing form

I could not be producing
you could not be producing
he could not be producing
we could not be producing
you could not be producing
they could not be producing

Perfect

I could not have produced
you could not have produced
he could not have produced
we could not have produced
you could not have produced
they could not have produced

V-ing perfect

I could not have been producing
you could not have been producing
he could not have been producing
we could not have been producing
you could not have been producing
they could not have been producing

Interrogative form

Simple form

could I produce?
could you produce?
could he produce?
could we produce?
could you produce?
could they produce?

V-ing form

could I be producing?
could you be producing?
could he be producing?
could we be producing?
could you be producing?
could they be producing?

Perfect

could I have produced?
could you have produced?
could he have produced?
could we have produced?
could you have produced?
could they have produced?

V-ing perfect

could I have been producing?
could you have been producing?
could he have been producing?
could we have been producing?
could you have been producing?
could they have been producing?

Interro-negative form

Simple form

could I not produce?
could you not produce?
could he not produce?
could we not produce?
could you not produce?
could they not produce?

V-ing form

could I not be producing?
could you not be producing?
could he not be producing?
could we not be producing?
could you not be producing?
could they not be producing?

Perfect

could I not have produced?
could you not have produced?
could he not have produced?
could we not have produced?
could you not have produced?
could they not have produced?

V-ing perfect

could I not have been producing?
could you not have been producing?
could he not have been producing?
could we not have been producing?
could you not have been producing?
could they not have been producing?

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