English verb conjugation COULD INTERFILE

Regular verb: interfile - interfiled - interfiled

Affirmation

Simple form

I could interfile
you could interfile
he could interfile
we could interfile
you could interfile
they could interfile

V-ing form

I could be interfiling
you could be interfiling
he could be interfiling
we could be interfiling
you could be interfiling
they could be interfiling

Perfect

I could have interfiled
you could have interfiled
he could have interfiled
we could have interfiled
you could have interfiled
they could have interfiled

V-ing perfect

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

Negation

Simple form

I could not interfile
you could not interfile
he could not interfile
we could not interfile
you could not interfile
they could not interfile

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I interfile?
could you interfile?
could he interfile?
could we interfile?
could you interfile?
could they interfile?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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