I can languish you can languish he can languish we can languish you can languish they can languish
V-ing form
I can be languishing you can be languishing he can be languishing we can be languishing you can be languishing they can be languishing
Perfect
I can have languished you can have languished he can have languished we can have languished you can have languished they can have languished
V-ing perfect
I can have been languishing you can have been languishing he can have been languishing we can have been languishing you can have been languishing they can have been languishing
Negation
Simple form
I can't languish you can't languish he can't languish we can't languish you can't languish they can't languish
V-ing form
I can't be languishing you can't be languishing he can't be languishing we can't be languishing you can't be languishing they can't be languishing
Perfect
I can't have languished you can't have languished he can't have languished we can't have languished you can't have languished they can't have languished
V-ing perfect
I can't have been languishing you can't have been languishing he can't have been languishing we can't have been languishing you can't have been languishing they can't have been languishing
Interrogative form
Simple form
can I languish? can you languish? can he languish? can we languish? can you languish? can they languish?
V-ing form
can I be languishing? can you be languishing? can he be languishing? can we be languishing? can you be languishing? can they be languishing?
Perfect
can I have languished? can you have languished? can he have languished? can we have languished? can you have languished? can they have languished?
V-ing perfect
can I have been languishing? can you have been languishing? can he have been languishing? can we have been languishing? can you have been languishing? can they have been languishing?
Interro-negative form
Simple form
can't I languish? can't you languish? can't he languish? can't we languish? can't you languish? can't they languish?
V-ing form
can't I be languishing? can't you be languishing? can't he be languishing? can't we be languishing? can't you be languishing? can't they be languishing?
Perfect
can't I have languished? can't you have languished? can't he have languished? can't we have languished? can't you have languished? can't they have languished?
V-ing perfect
can't I have been languishing? can't you have been languishing? can't he have been languishing? can't we have been languishing? can't you have been languishing? can't they have been languishing?