could customise
Verbo regular: customise - customised- customised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could customise
you could customise
he could customise
we could customise
you could customise
they could customise 	I could be customising
you could be customising
he could be customising
we could be customising
you could be customising
they could be customising	I could have customised
you could have customised
he could have customised
we could have customised
you could have customised
they could have customised	I could have been customising
you could have been customising
he could have been customising
we could have been customising
you could have been customising
they could have been customising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not customise
you could not customise
he could not customise
we could not customise
you could not customise
they could not customise 	I could not be customising
you could not be customising
he could not be customising
we could not be customising
you could not be customising
they could not be customising	I could not have customised
you could not have customised
he could not have customised
we could not have customised
you could not have customised
they could not have customised	I could not have been customising
you could not have been customising
he could not have been customising
we could not have been customising
you could not have been customising
they could not have been customising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I customise?
could you customise?
could he customise?
could we customise?
could you customise?
could they customise? 	could I be customising?
could you be customising?
could he be customising?
could we be customising?
could you be customising?
could they be customising? 	could I have customised?
could you have customised?
could he have customised?
could we have customised?
could you have customised?
could they have customised? 	could I have been customising?
could you have been customising?
could he have been customising?
could we have been customising?
could you have been customising?
could they have been customising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not customise?
could you not customise?
could he not customise?
could we not customise?
could you not customise?
could they not customise? 	could I not be customising?
could you not be customising?
could he not be customising?
could we not be customising?
could you not be customising?
could they not be customising? 	could I not have customised?
could you not have customised?
could he not have customised?
could we not have customised?
could you not have customised?
could they not have customised? 	could I not have been customising?
could you not have been customising?
could he not have been customising?
could we not have been customising?
could you not have been customising?
could they not have been customising?