English verb conjugation
COULD LANGUISH

Regular verb: languish - languished - languished

Affirmation

Simple form	V-ing form
I could languish you could languish she could languish we could languish you could languish they could languish	I could be languishing you could be languishing she could be languishing we could be languishing you could be languishing they could be languishing
Perfect	V-ing perfect
I could have languished you could have languished she could have languished we could have languished you could have languished they could have languished	I could have been languishing you could have been languishing she could have been languishing we could have been languishing you could have been languishing they could have been languishing

Negation

Simple form	V-ing form
I could not languish you could not languish she could not languish we could not languish you could not languish they could not languish	I could not be languishing you could not be languishing she could not be languishing we could not be languishing you could not be languishing they could not be languishing
Perfect	V-ing perfect
I could not have languished you could not have languished she could not have languished we could not have languished you could not have languished they could not have languished	I could not have been languishing you could not have been languishing she could not have been languishing we could not have been languishing you could not have been languishing they could not have been languishing

Interrogative form

Simple form	V-ing form
could I languish? could you languish? could she languish? could we languish? could you languish? could they languish?	could I be languishing? could you be languishing? could she be languishing? could we be languishing? could you be languishing? could they be languishing?
Perfect	V-ing perfect
could I have languished? could you have languished? could she have languished? could we have languished? could you have languished? could they have languished?	could I have been languishing? could you have been languishing? could she have been languishing? could we have been languishing? could you have been languishing? could they have been languishing?

Interro-negative form

Simple form	V-ing form
could I not languish? could you not languish? could she not languish? could we not languish? could you not languish? could they not languish?	could I not be languishing? could you not be languishing? could she not be languishing? could we not be languishing? could you not be languishing? could they not be languishing?
Perfect	V-ing perfect
could I not have languished? could you not have languished? could she not have languished? could we not have languished? could you not have languished? could they not have languished?	could I not have been languishing? could you not have been languishing? could she not have been languishing? could we not have been languishing? could you not have been languishing? could they not have been languishing?