English verb conjugation MUST INTERFILE

Regular verb: interfile - interfiled - interfiled

Affirmation

Simple form

I must interfile
you must interfile
he must interfile
we must interfile
you must interfile
they must interfile

V-ing form

I must be interfiling
you must be interfiling
he must be interfiling
we must be interfiling
you must be interfiling
they must be interfiling

Perfect

I must have interfiled
you must have interfiled
he must have interfiled
we must have interfiled
you must have interfiled
they must have interfiled

V-ing perfect

I must have been interfiling
you must have been interfiling
he must have been interfiling
we must have been interfiling
you must have been interfiling
they must have been interfiling

Negation

Simple form

I mustn't interfile
you mustn't interfile
he mustn't interfile
we mustn't interfile
you mustn't interfile
they mustn't interfile

V-ing form

I mustn't be interfiling
you mustn't be interfiling
he mustn't be interfiling
we mustn't be interfiling
you mustn't be interfiling
they mustn't be interfiling

Perfect

I mustn't have interfiled
you mustn't have interfiled
he mustn't have interfiled
we mustn't have interfiled
you mustn't have interfiled
they mustn't have interfiled

V-ing perfect

I mustn't have been interfiling
you mustn't have been interfiling
he mustn't have been interfiling
we mustn't have been interfiling
you mustn't have been interfiling
they mustn't have been interfiling

Interrogative form

Simple form

must I interfile?
must you interfile?
must he interfile?
must we interfile?
must you interfile?
must they interfile?

V-ing form

must I be interfiling?
must you be interfiling?
must he be interfiling?
must we be interfiling?
must you be interfiling?
must they be interfiling?

Perfect

must I have interfiled?
must you have interfiled?
must he have interfiled?
must we have interfiled?
must you have interfiled?
must they have interfiled?

V-ing perfect

must I have been interfiling?
must you have been interfiling?
must he have been interfiling?
must we have been interfiling?
must you have been interfiling?
must they have been interfiling?

Interro-negative form

Simple form

mustn't I interfile?
mustn't you interfile?
mustn't he interfile?
mustn't we interfile?
mustn't you interfile?
mustn't they interfile?

V-ing form

mustn't I be interfiling?
mustn't you be interfiling?
mustn't he be interfiling?
mustn't we be interfiling?
mustn't you be interfiling?
mustn't they be interfiling?

Perfect

mustn't I have interfiled?
mustn't you have interfiled?
mustn't he have interfiled?
mustn't we have interfiled?
mustn't you have interfiled?
mustn't they have interfiled?

V-ing perfect

mustn't I have been interfiling?
mustn't you have been interfiling?
mustn't he have been interfiling?
mustn't we have been interfiling?
mustn't you have been interfiling?
mustn't they have been interfiling?

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