English verb conjugation
COULD REPOLISH

Regular verb: repolish - repolished - repolished

Affirmation

Simple form	V-ing form
I could repolish you could repolish he could repolish we could repolish you could repolish they could repolish	I could be repolishing you could be repolishing he could be repolishing we could be repolishing you could be repolishing they could be repolishing
Perfect	V-ing perfect
I could have repolished you could have repolished he could have repolished we could have repolished you could have repolished they could have repolished	I could have been repolishing you could have been repolishing he could have been repolishing we could have been repolishing you could have been repolishing they could have been repolishing

Negation

Simple form	V-ing form
I couldn't repolish you couldn't repolish he couldn't repolish we couldn't repolish you couldn't repolish they couldn't repolish	I couldn't be repolishing you couldn't be repolishing he couldn't be repolishing we couldn't be repolishing you couldn't be repolishing they couldn't be repolishing
Perfect	V-ing perfect
I couldn't have repolished you couldn't have repolished he couldn't have repolished we couldn't have repolished you couldn't have repolished they couldn't have repolished	I couldn't have been repolishing you couldn't have been repolishing he couldn't have been repolishing we couldn't have been repolishing you couldn't have been repolishing they couldn't have been repolishing

Interrogative form

Simple form	V-ing form
could I repolish? could you repolish? could he repolish? could we repolish? could you repolish? could they repolish?	could I be repolishing? could you be repolishing? could he be repolishing? could we be repolishing? could you be repolishing? could they be repolishing?
Perfect	V-ing perfect
could I have repolished? could you have repolished? could he have repolished? could we have repolished? could you have repolished? could they have repolished?	could I have been repolishing? could you have been repolishing? could he have been repolishing? could we have been repolishing? could you have been repolishing? could they have been repolishing?

Interro-negative form

Simple form	V-ing form
couldn't I repolish? couldn't you repolish? couldn't he repolish? couldn't we repolish? couldn't you repolish? couldn't they repolish?	couldn't I be repolishing? couldn't you be repolishing? couldn't he be repolishing? couldn't we be repolishing? couldn't you be repolishing? couldn't they be repolishing?
Perfect	V-ing perfect
couldn't I have repolished? couldn't you have repolished? couldn't he have repolished? couldn't we have repolished? couldn't you have repolished? couldn't they have repolished?	couldn't I have been repolishing? couldn't you have been repolishing? couldn't he have been repolishing? couldn't we have been repolishing? couldn't you have been repolishing? couldn't they have been repolishing?