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 must not interfile
you must not interfile
he must not interfile
we must not interfile
you must not interfile
they must not interfile

V-ing form

I must not be interfiling
you must not be interfiling
he must not be interfiling
we must not be interfiling
you must not be interfiling
they must not be interfiling

Perfect

I must not have interfiled
you must not have interfiled
he must not have interfiled
we must not have interfiled
you must not have interfiled
they must not have interfiled

V-ing perfect

I must not have been interfiling
you must not have been interfiling
he must not have been interfiling
we must not have been interfiling
you must not have been interfiling
they must not 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

must I not interfile?
must you not interfile?
must he not interfile?
must we not interfile?
must you not interfile?
must they not interfile?

V-ing form

must I not be interfiling?
must you not be interfiling?
must he not be interfiling?
must we not be interfiling?
must you not be interfiling?
must they not be interfiling?

Perfect

must I not have interfiled?
must you not have interfiled?
must he not have interfiled?
must we not have interfiled?
must you not have interfiled?
must they not have interfiled?

V-ing perfect

must I not have been interfiling?
must you not have been interfiling?
must he not have been interfiling?
must we not have been interfiling?
must you not have been interfiling?
must they not have been interfiling?

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