English verb conjugation COULD REFILTER

Regular verb: refilter - refiltered - refiltered

Affirmation

Simple form

I could refilter
you could refilter
he could refilter
we could refilter
you could refilter
they could refilter

V-ing form

I could be refiltering
you could be refiltering
he could be refiltering
we could be refiltering
you could be refiltering
they could be refiltering

Perfect

I could have refiltered
you could have refiltered
he could have refiltered
we could have refiltered
you could have refiltered
they could have refiltered

V-ing perfect

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

Negation

Simple form

I couldn't refilter
you couldn't refilter
he couldn't refilter
we couldn't refilter
you couldn't refilter
they couldn't refilter

V-ing form

I couldn't be refiltering
you couldn't be refiltering
he couldn't be refiltering
we couldn't be refiltering
you couldn't be refiltering
they couldn't be refiltering

Perfect

I couldn't have refiltered
you couldn't have refiltered
he couldn't have refiltered
we couldn't have refiltered
you couldn't have refiltered
they couldn't have refiltered

V-ing perfect

I couldn't have been refiltering
you couldn't have been refiltering
he couldn't have been refiltering
we couldn't have been refiltering
you couldn't have been refiltering
they couldn't have been refiltering

Interrogative form

Simple form

could I refilter?
could you refilter?
could he refilter?
could we refilter?
could you refilter?
could they refilter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I refilter?
couldn't you refilter?
couldn't he refilter?
couldn't we refilter?
couldn't you refilter?
couldn't they refilter?

V-ing form

couldn't I be refiltering?
couldn't you be refiltering?
couldn't he be refiltering?
couldn't we be refiltering?
couldn't you be refiltering?
couldn't they be refiltering?

Perfect

couldn't I have refiltered?
couldn't you have refiltered?
couldn't he have refiltered?
couldn't we have refiltered?
couldn't you have refiltered?
couldn't they have refiltered?

V-ing perfect

couldn't I have been refiltering?
couldn't you have been refiltering?
couldn't he have been refiltering?
couldn't we have been refiltering?
couldn't you have been refiltering?
couldn't they have been refiltering?

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