English verb conjugation COULD PATENT

Regular verb: patent - patented - patented

Affirmation

Simple form

I could patent
you could patent
he could patent
we could patent
you could patent
they could patent

V-ing form

I could be patenting
you could be patenting
he could be patenting
we could be patenting
you could be patenting
they could be patenting

Perfect

I could have patented
you could have patented
he could have patented
we could have patented
you could have patented
they could have patented

V-ing perfect

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

Negation

Simple form

I could not patent
you could not patent
he could not patent
we could not patent
you could not patent
they could not patent

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I patent?
could you patent?
could he patent?
could we patent?
could you patent?
could they patent?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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