English verb conjugation MUST INTERFACE

Regular verb: interface - interfaced - interfaced

Affirmation

Simple form

I must interface
you must interface
she must interface
we must interface
you must interface
they must interface

V-ing form

I must be interfacing
you must be interfacing
she must be interfacing
we must be interfacing
you must be interfacing
they must be interfacing

Perfect

I must have interfaced
you must have interfaced
she must have interfaced
we must have interfaced
you must have interfaced
they must have interfaced

V-ing perfect

I must have been interfacing
you must have been interfacing
she must have been interfacing
we must have been interfacing
you must have been interfacing
they must have been interfacing

Negation

Simple form

I must not interface
you must not interface
she must not interface
we must not interface
you must not interface
they must not interface

V-ing form

I must not be interfacing
you must not be interfacing
she must not be interfacing
we must not be interfacing
you must not be interfacing
they must not be interfacing

Perfect

I must not have interfaced
you must not have interfaced
she must not have interfaced
we must not have interfaced
you must not have interfaced
they must not have interfaced

V-ing perfect

I must not have been interfacing
you must not have been interfacing
she must not have been interfacing
we must not have been interfacing
you must not have been interfacing
they must not have been interfacing

Interrogative form

Simple form

must I interface?
must you interface?
must she interface?
must we interface?
must you interface?
must they interface?

V-ing form

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

Perfect

must I have interfaced?
must you have interfaced?
must she have interfaced?
must we have interfaced?
must you have interfaced?
must they have interfaced?

V-ing perfect

must I have been interfacing?
must you have been interfacing?
must she have been interfacing?
must we have been interfacing?
must you have been interfacing?
must they have been interfacing?

Interro-negative form

Simple form

must I not interface?
must you not interface?
must she not interface?
must we not interface?
must you not interface?
must they not interface?

V-ing form

must I not be interfacing?
must you not be interfacing?
must she not be interfacing?
must we not be interfacing?
must you not be interfacing?
must they not be interfacing?

Perfect

must I not have interfaced?
must you not have interfaced?
must she not have interfaced?
must we not have interfaced?
must you not have interfaced?
must they not have interfaced?

V-ing perfect

must I not have been interfacing?
must you not have been interfacing?
must she not have been interfacing?
must we not have been interfacing?
must you not have been interfacing?
must they not have been interfacing?

Page top