English verb conjugation
CAN INTERFILE

Regular verb: interfile - interfiled - interfiled

Affirmation

Simple form	V-ing form
I can interfile you can interfile she can interfile we can interfile you can interfile they can interfile	I can be interfiling you can be interfiling she can be interfiling we can be interfiling you can be interfiling they can be interfiling
Perfect	V-ing perfect
I can have interfiled you can have interfiled she can have interfiled we can have interfiled you can have interfiled they can have interfiled	I can have been interfiling you can have been interfiling she can have been interfiling we can have been interfiling you can have been interfiling they can have been interfiling

Negation

Simple form	V-ing form
I can't interfile you can't interfile she can't interfile we can't interfile you can't interfile they can't interfile	I can't be interfiling you can't be interfiling she can't be interfiling we can't be interfiling you can't be interfiling they can't be interfiling
Perfect	V-ing perfect
I can't have interfiled you can't have interfiled she can't have interfiled we can't have interfiled you can't have interfiled they can't have interfiled	I can't have been interfiling you can't have been interfiling she can't have been interfiling we can't have been interfiling you can't have been interfiling they can't have been interfiling

Interrogative form

Simple form	V-ing form
can I interfile? can you interfile? can she interfile? can we interfile? can you interfile? can they interfile?	can I be interfiling? can you be interfiling? can she be interfiling? can we be interfiling? can you be interfiling? can they be interfiling?
Perfect	V-ing perfect
can I have interfiled? can you have interfiled? can she have interfiled? can we have interfiled? can you have interfiled? can they have interfiled?	can I have been interfiling? can you have been interfiling? can she have been interfiling? can we have been interfiling? can you have been interfiling? can they have been interfiling?

Interro-negative form

Simple form	V-ing form
can't I interfile? can't you interfile? can't she interfile? can't we interfile? can't you interfile? can't they interfile?	can't I be interfiling? can't you be interfiling? can't she be interfiling? can't we be interfiling? can't you be interfiling? can't they be interfiling?
Perfect	V-ing perfect
can't I have interfiled? can't you have interfiled? can't she have interfiled? can't we have interfiled? can't you have interfiled? can't they have interfiled?	can't I have been interfiling? can't you have been interfiling? can't she have been interfiling? can't we have been interfiling? can't you have been interfiling? can't they have been interfiling?