English verb conjugation COULD ULTRAFILTER

Regular verb: ultrafilter - ultrafiltered - ultrafiltered

Affirmation

Simple form

I could ultrafilter
you could ultrafilter
he could ultrafilter
we could ultrafilter
you could ultrafilter
they could ultrafilter

V-ing form

I could be ultrafiltering
you could be ultrafiltering
he could be ultrafiltering
we could be ultrafiltering
you could be ultrafiltering
they could be ultrafiltering

Perfect

I could have ultrafiltered
you could have ultrafiltered
he could have ultrafiltered
we could have ultrafiltered
you could have ultrafiltered
they could have ultrafiltered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I ultrafilter?
could you ultrafilter?
could he ultrafilter?
could we ultrafilter?
could you ultrafilter?
could they ultrafilter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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