English verb conjugation COULD INTERFACE

Regular verb: interface - interfaced - interfaced

Affirmation

Simple form

I could interface
you could interface
he could interface
we could interface
you could interface
they could interface

V-ing form

I could be interfacing
you could be interfacing
he could be interfacing
we could be interfacing
you could be interfacing
they could be interfacing

Perfect

I could have interfaced
you could have interfaced
he could have interfaced
we could have interfaced
you could have interfaced
they could have interfaced

V-ing perfect

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

Negation

Simple form

I could not interface
you could not interface
he could not interface
we could not interface
you could not interface
they could not interface

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I interface?
could you interface?
could he interface?
could we interface?
could you interface?
could they interface?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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