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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation MUST INTERFACE

Regular verb: interface - interfaced - interfaced


Affirmation

Simple form
I must interface
you must interface
he must interface
we must interface
you must interface
they must interface
V-ing form
I must be interfacing
you must be interfacing
he must be interfacing
we must be interfacing
you must be interfacing
they must be interfacing
Perfect
I must have interfaced
you must have interfaced
he 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
he 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
he 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
he 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
he 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
he 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 he interface?
must we interface?
must you interface?
must they interface?
V-ing form
must I be interfacing?
must you be interfacing?
must he be interfacing?
must we be interfacing?
must you be interfacing?
must they be interfacing?
Perfect
must I have interfaced?
must you have interfaced?
must he 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 he 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 he 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 he 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 he 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 he not have been interfacing?
must we not have been interfacing?
must you not have been interfacing?
must they not have been interfacing?