I could languish you could languish he could languish we could languish you could languish they could languish
Forma com V-ing
I could be languishing you could be languishing he could be languishing we could be languishing you could be languishing they could be languishing
Perfeito
I could have languished you could have languished he could have languished we could have languished you could have languished they could have languished
Perfeito com V-ing
I could have been languishing you could have been languishing he could have been languishing we could have been languishing you could have been languishing they could have been languishing
Negação
Forma simple
I could not languish you could not languish he could not languish we could not languish you could not languish they could not languish
Forma com V-ing
I could not be languishing you could not be languishing he could not be languishing we could not be languishing you could not be languishing they could not be languishing
Perfeito
I could not have languished you could not have languished he could not have languished we could not have languished you could not have languished they could not have languished
Perfeito com V-ing
I could not have been languishing you could not have been languishing he could not have been languishing we could not have been languishing you could not have been languishing they could not have been languishing
Forma interrogativa
Forma simple
could I languish? could you languish? could he languish? could we languish? could you languish? could they languish?
Forma com V-ing
could I be languishing? could you be languishing? could he be languishing? could we be languishing? could you be languishing? could they be languishing?
Perfeito
could I have languished? could you have languished? could he have languished? could we have languished? could you have languished? could they have languished?
Perfeito com V-ing
could I have been languishing? could you have been languishing? could he have been languishing? could we have been languishing? could you have been languishing? could they have been languishing?
Forma interro-Negação
Forma simple
could I not languish? could you not languish? could he not languish? could we not languish? could you not languish? could they not languish?
Forma com V-ing
could I not be languishing? could you not be languishing? could he not be languishing? could we not be languishing? could you not be languishing? could they not be languishing?
Perfeito
could I not have languished? could you not have languished? could he not have languished? could we not have languished? could you not have languished? could they not have languished?
Perfeito com V-ing
could I not have been languishing? could you not have been languishing? could he not have been languishing? could we not have been languishing? could you not have been languishing? could they not have been languishing?