English verb conjugation
COULD PLANISH

Regular verb: planish - planished - planished

Affirmation

Simple form	V-ing form
I could planish you could planish he could planish we could planish you could planish they could planish	I could be planishing you could be planishing he could be planishing we could be planishing you could be planishing they could be planishing
Perfect	V-ing perfect
I could have planished you could have planished he could have planished we could have planished you could have planished they could have planished	I could have been planishing you could have been planishing he could have been planishing we could have been planishing you could have been planishing they could have been planishing

Negation

Simple form	V-ing form
I could not planish you could not planish he could not planish we could not planish you could not planish they could not planish	I could not be planishing you could not be planishing he could not be planishing we could not be planishing you could not be planishing they could not be planishing
Perfect	V-ing perfect
I could not have planished you could not have planished he could not have planished we could not have planished you could not have planished they could not have planished	I could not have been planishing you could not have been planishing he could not have been planishing we could not have been planishing you could not have been planishing they could not have been planishing

Interrogative form

Simple form	V-ing form
could I planish? could you planish? could he planish? could we planish? could you planish? could they planish?	could I be planishing? could you be planishing? could he be planishing? could we be planishing? could you be planishing? could they be planishing?
Perfect	V-ing perfect
could I have planished? could you have planished? could he have planished? could we have planished? could you have planished? could they have planished?	could I have been planishing? could you have been planishing? could he have been planishing? could we have been planishing? could you have been planishing? could they have been planishing?

Interro-negative form

Simple form	V-ing form
could I not planish? could you not planish? could he not planish? could we not planish? could you not planish? could they not planish?	could I not be planishing? could you not be planishing? could he not be planishing? could we not be planishing? could you not be planishing? could they not be planishing?
Perfect	V-ing perfect
could I not have planished? could you not have planished? could he not have planished? could we not have planished? could you not have planished? could they not have planished?	could I not have been planishing? could you not have been planishing? could he not have been planishing? could we not have been planishing? could you not have been planishing? could they not have been planishing?