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 couldn't planish you couldn't planish he couldn't planish we couldn't planish you couldn't planish they couldn't planish	I couldn't be planishing you couldn't be planishing he couldn't be planishing we couldn't be planishing you couldn't be planishing they couldn't be planishing
Perfect	V-ing perfect
I couldn't have planished you couldn't have planished he couldn't have planished we couldn't have planished you couldn't have planished they couldn't have planished	I couldn't have been planishing you couldn't have been planishing he couldn't have been planishing we couldn't have been planishing you couldn't have been planishing they couldn't 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
couldn't I planish? couldn't you planish? couldn't he planish? couldn't we planish? couldn't you planish? couldn't they planish?	couldn't I be planishing? couldn't you be planishing? couldn't he be planishing? couldn't we be planishing? couldn't you be planishing? couldn't they be planishing?
Perfect	V-ing perfect
couldn't I have planished? couldn't you have planished? couldn't he have planished? couldn't we have planished? couldn't you have planished? couldn't they have planished?	couldn't I have been planishing? couldn't you have been planishing? couldn't he have been planishing? couldn't we have been planishing? couldn't you have been planishing? couldn't they have been planishing?