English verb conjugation COULD INTERFACE

Regular verb: interface - interfaced - interfaced

Affirmation

Simple form

I could interface
you could interface
she could interface
we could interface
you could interface
they could interface

V-ing form

I could be interfacing
you could be interfacing
she could be interfacing
we could be interfacing
you could be interfacing
they could be interfacing

Perfect

I could have interfaced
you could have interfaced
she 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
she could have been interfacing
we could have been interfacing
you could have been interfacing
they could have been interfacing

Negation

Simple form

I couldn't interface
you couldn't interface
she couldn't interface
we couldn't interface
you couldn't interface
they couldn't interface

V-ing form

I couldn't be interfacing
you couldn't be interfacing
she couldn't be interfacing
we couldn't be interfacing
you couldn't be interfacing
they couldn't be interfacing

Perfect

I couldn't have interfaced
you couldn't have interfaced
she couldn't have interfaced
we couldn't have interfaced
you couldn't have interfaced
they couldn't have interfaced

V-ing perfect

I couldn't have been interfacing
you couldn't have been interfacing
she couldn't have been interfacing
we couldn't have been interfacing
you couldn't have been interfacing
they couldn't have been interfacing

Interrogative form

Simple form

could I interface?
could you interface?
could she interface?
could we interface?
could you interface?
could they interface?

V-ing form

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

Perfect

could I have interfaced?
could you have interfaced?
could she 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 she have been interfacing?
could we have been interfacing?
could you have been interfacing?
could they have been interfacing?

Interro-negative form

Simple form

couldn't I interface?
couldn't you interface?
couldn't she interface?
couldn't we interface?
couldn't you interface?
couldn't they interface?

V-ing form

couldn't I be interfacing?
couldn't you be interfacing?
couldn't she be interfacing?
couldn't we be interfacing?
couldn't you be interfacing?
couldn't they be interfacing?

Perfect

couldn't I have interfaced?
couldn't you have interfaced?
couldn't she have interfaced?
couldn't we have interfaced?
couldn't you have interfaced?
couldn't they have interfaced?

V-ing perfect

couldn't I have been interfacing?
couldn't you have been interfacing?
couldn't she have been interfacing?
couldn't we have been interfacing?
couldn't you have been interfacing?
couldn't they have been interfacing?

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