English verb conjugation COULD FILL

Regular verb: fill - filled - filled

Affirmation

Simple form

I could fill
you could fill
she could fill
we could fill
you could fill
they could fill

V-ing form

I could be filling
you could be filling
she could be filling
we could be filling
you could be filling
they could be filling

Perfect

I could have filled
you could have filled
she could have filled
we could have filled
you could have filled
they could have filled

V-ing perfect

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

Negation

Simple form

I could not fill
you could not fill
she could not fill
we could not fill
you could not fill
they could not fill

V-ing form

I could not be filling
you could not be filling
she could not be filling
we could not be filling
you could not be filling
they could not be filling

Perfect

I could not have filled
you could not have filled
she could not have filled
we could not have filled
you could not have filled
they could not have filled

V-ing perfect

I could not have been filling
you could not have been filling
she could not have been filling
we could not have been filling
you could not have been filling
they could not have been filling

Interrogative form

Simple form

could I fill?
could you fill?
could she fill?
could we fill?
could you fill?
could they fill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not fill?
could you not fill?
could she not fill?
could we not fill?
could you not fill?
could they not fill?

V-ing form

could I not be filling?
could you not be filling?
could she not be filling?
could we not be filling?
could you not be filling?
could they not be filling?

Perfect

could I not have filled?
could you not have filled?
could she not have filled?
could we not have filled?
could you not have filled?
could they not have filled?

V-ing perfect

could I not have been filling?
could you not have been filling?
could she not have been filling?
could we not have been filling?
could you not have been filling?
could they not have been filling?

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