could languish
Verbo regular: languish - languished- languished

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could languish
you could languish
he could languish
we could languish
you could languish
they could languish 	I could be languishing
you could be languishing
he could be languishing
we could be languishing
you could be languishing
they could be languishing	I could have languished
you could have languished
he 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
he could have been languishing
we could have been languishing
you could have been languishing
they could have been languishing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't languish
you couldn't languish
he couldn't languish
we couldn't languish
you couldn't languish
they couldn't languish 	I couldn't be languishing
you couldn't be languishing
he couldn't be languishing
we couldn't be languishing
you couldn't be languishing
they couldn't be languishing	I couldn't have languished
you couldn't have languished
he couldn't have languished
we couldn't have languished
you couldn't have languished
they couldn't have languished	I couldn't have been languishing
you couldn't have been languishing
he couldn't have been languishing
we couldn't have been languishing
you couldn't have been languishing
they couldn't have been languishing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I languish?
could you languish?
could he languish?
could we languish?
could you languish?
could they languish? 	could I be languishing?
could you be languishing?
could he be languishing?
could we be languishing?
could you be languishing?
could they be languishing? 	could I have languished?
could you have languished?
could he 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 he have been languishing?
could we have been languishing?
could you have been languishing?
could they have been languishing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I languish?
couldn't you languish?
couldn't he languish?
couldn't we languish?
couldn't you languish?
couldn't they languish? 	couldn't I be languishing?
couldn't you be languishing?
couldn't he be languishing?
couldn't we be languishing?
couldn't you be languishing?
couldn't they be languishing? 	couldn't I have languished?
couldn't you have languished?
couldn't he have languished?
couldn't we have languished?
couldn't you have languished?
couldn't they have languished? 	couldn't I have been languishing?
couldn't you have been languishing?
couldn't he have been languishing?
couldn't we have been languishing?
couldn't you have been languishing?
couldn't they have been languishing?