English verb conjugation COULD FILE

Regular verb: file - filed - filed

Affirmation

Simple form

I could file
you could file
she could file
we could file
you could file
they could file

V-ing form

I could be filing
you could be filing
she could be filing
we could be filing
you could be filing
they could be filing

Perfect

I could have filed
you could have filed
she could have filed
we could have filed
you could have filed
they could have filed

V-ing perfect

I could have been filing
you could have been filing
she could have been filing
we could have been filing
you could have been filing
they could have been filing

Negation

Simple form

I couldn't file
you couldn't file
she couldn't file
we couldn't file
you couldn't file
they couldn't file

V-ing form

I couldn't be filing
you couldn't be filing
she couldn't be filing
we couldn't be filing
you couldn't be filing
they couldn't be filing

Perfect

I couldn't have filed
you couldn't have filed
she couldn't have filed
we couldn't have filed
you couldn't have filed
they couldn't have filed

V-ing perfect

I couldn't have been filing
you couldn't have been filing
she couldn't have been filing
we couldn't have been filing
you couldn't have been filing
they couldn't have been filing

Interrogative form

Simple form

could I file?
could you file?
could she file?
could we file?
could you file?
could they file?

V-ing form

could I be filing?
could you be filing?
could she be filing?
could we be filing?
could you be filing?
could they be filing?

Perfect

could I have filed?
could you have filed?
could she have filed?
could we have filed?
could you have filed?
could they have filed?

V-ing perfect

could I have been filing?
could you have been filing?
could she have been filing?
could we have been filing?
could you have been filing?
could they have been filing?

Interro-negative form

Simple form

couldn't I file?
couldn't you file?
couldn't she file?
couldn't we file?
couldn't you file?
couldn't they file?

V-ing form

couldn't I be filing?
couldn't you be filing?
couldn't she be filing?
couldn't we be filing?
couldn't you be filing?
couldn't they be filing?

Perfect

couldn't I have filed?
couldn't you have filed?
couldn't she have filed?
couldn't we have filed?
couldn't you have filed?
couldn't they have filed?

V-ing perfect

couldn't I have been filing?
couldn't you have been filing?
couldn't she have been filing?
couldn't we have been filing?
couldn't you have been filing?
couldn't they have been filing?

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