English verb conjugation COULD POLISH

Regular verb: polish - polished - polished

Affirmation

Simple form

I could polish
you could polish
he could polish
we could polish
you could polish
they could polish

V-ing form

I could be polishing
you could be polishing
he could be polishing
we could be polishing
you could be polishing
they could be polishing

Perfect

I could have polished
you could have polished
he could have polished
we could have polished
you could have polished
they could have polished

V-ing perfect

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

Negation

Simple form

I could not polish
you could not polish
he could not polish
we could not polish
you could not polish
they could not polish

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I polish?
could you polish?
could he polish?
could we polish?
could you polish?
could they polish?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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