could utilise
Verbo regular: utilise - utilised- utilised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could utilise
you could utilise
he could utilise
we could utilise
you could utilise
they could utilise 	I could be utilising
you could be utilising
he could be utilising
we could be utilising
you could be utilising
they could be utilising	I could have utilised
you could have utilised
he could have utilised
we could have utilised
you could have utilised
they could have utilised	I could have been utilising
you could have been utilising
he could have been utilising
we could have been utilising
you could have been utilising
they could have been utilising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not utilise
you could not utilise
he could not utilise
we could not utilise
you could not utilise
they could not utilise 	I could not be utilising
you could not be utilising
he could not be utilising
we could not be utilising
you could not be utilising
they could not be utilising	I could not have utilised
you could not have utilised
he could not have utilised
we could not have utilised
you could not have utilised
they could not have utilised	I could not have been utilising
you could not have been utilising
he could not have been utilising
we could not have been utilising
you could not have been utilising
they could not have been utilising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I utilise?
could you utilise?
could he utilise?
could we utilise?
could you utilise?
could they utilise? 	could I be utilising?
could you be utilising?
could he be utilising?
could we be utilising?
could you be utilising?
could they be utilising? 	could I have utilised?
could you have utilised?
could he have utilised?
could we have utilised?
could you have utilised?
could they have utilised? 	could I have been utilising?
could you have been utilising?
could he have been utilising?
could we have been utilising?
could you have been utilising?
could they have been utilising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not utilise?
could you not utilise?
could he not utilise?
could we not utilise?
could you not utilise?
could they not utilise? 	could I not be utilising?
could you not be utilising?
could he not be utilising?
could we not be utilising?
could you not be utilising?
could they not be utilising? 	could I not have utilised?
could you not have utilised?
could he not have utilised?
could we not have utilised?
could you not have utilised?
could they not have utilised? 	could I not have been utilising?
could you not have been utilising?
could he not have been utilising?
could we not have been utilising?
could you not have been utilising?
could they not have been utilising?