must utilise
Verbo regular: utilise - utilised- utilised

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

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

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

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