English verb conjugation COULD UNPILE

Regular verb: unpile - unpiled - unpiled

Affirmation

Simple form

I could unpile
you could unpile
he could unpile
we could unpile
you could unpile
they could unpile

V-ing form

I could be unpiling
you could be unpiling
he could be unpiling
we could be unpiling
you could be unpiling
they could be unpiling

Perfect

I could have unpiled
you could have unpiled
he could have unpiled
we could have unpiled
you could have unpiled
they could have unpiled

V-ing perfect

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

Negation

Simple form

I could not unpile
you could not unpile
he could not unpile
we could not unpile
you could not unpile
they could not unpile

V-ing form

I could not be unpiling
you could not be unpiling
he could not be unpiling
we could not be unpiling
you could not be unpiling
they could not be unpiling

Perfect

I could not have unpiled
you could not have unpiled
he could not have unpiled
we could not have unpiled
you could not have unpiled
they could not have unpiled

V-ing perfect

I could not have been unpiling
you could not have been unpiling
he could not have been unpiling
we could not have been unpiling
you could not have been unpiling
they could not have been unpiling

Interrogative form

Simple form

could I unpile?
could you unpile?
could he unpile?
could we unpile?
could you unpile?
could they unpile?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not unpile?
could you not unpile?
could he not unpile?
could we not unpile?
could you not unpile?
could they not unpile?

V-ing form

could I not be unpiling?
could you not be unpiling?
could he not be unpiling?
could we not be unpiling?
could you not be unpiling?
could they not be unpiling?

Perfect

could I not have unpiled?
could you not have unpiled?
could he not have unpiled?
could we not have unpiled?
could you not have unpiled?
could they not have unpiled?

V-ing perfect

could I not have been unpiling?
could you not have been unpiling?
could he not have been unpiling?
could we not have been unpiling?
could you not have been unpiling?
could they not have been unpiling?

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