could derange
Verbo regular: derange - deranged- deranged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could derange
you could derange
he could derange
we could derange
you could derange
they could derange 	I could be deranging
you could be deranging
he could be deranging
we could be deranging
you could be deranging
they could be deranging	I could have deranged
you could have deranged
he could have deranged
we could have deranged
you could have deranged
they could have deranged	I could have been deranging
you could have been deranging
he could have been deranging
we could have been deranging
you could have been deranging
they could have been deranging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't derange
you couldn't derange
he couldn't derange
we couldn't derange
you couldn't derange
they couldn't derange 	I couldn't be deranging
you couldn't be deranging
he couldn't be deranging
we couldn't be deranging
you couldn't be deranging
they couldn't be deranging	I couldn't have deranged
you couldn't have deranged
he couldn't have deranged
we couldn't have deranged
you couldn't have deranged
they couldn't have deranged	I couldn't have been deranging
you couldn't have been deranging
he couldn't have been deranging
we couldn't have been deranging
you couldn't have been deranging
they couldn't have been deranging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I derange?
could you derange?
could he derange?
could we derange?
could you derange?
could they derange? 	could I be deranging?
could you be deranging?
could he be deranging?
could we be deranging?
could you be deranging?
could they be deranging? 	could I have deranged?
could you have deranged?
could he have deranged?
could we have deranged?
could you have deranged?
could they have deranged? 	could I have been deranging?
could you have been deranging?
could he have been deranging?
could we have been deranging?
could you have been deranging?
could they have been deranging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I derange?
couldn't you derange?
couldn't he derange?
couldn't we derange?
couldn't you derange?
couldn't they derange? 	couldn't I be deranging?
couldn't you be deranging?
couldn't he be deranging?
couldn't we be deranging?
couldn't you be deranging?
couldn't they be deranging? 	couldn't I have deranged?
couldn't you have deranged?
couldn't he have deranged?
couldn't we have deranged?
couldn't you have deranged?
couldn't they have deranged? 	couldn't I have been deranging?
couldn't you have been deranging?
couldn't he have been deranging?
couldn't we have been deranging?
couldn't you have been deranging?
couldn't they have been deranging?