must immaterialise
Verbo regular: immaterialise - immaterialised- immaterialised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must immaterialise
you must immaterialise
he must immaterialise
we must immaterialise
you must immaterialise
they must immaterialise 	I must be immaterialising
you must be immaterialising
he must be immaterialising
we must be immaterialising
you must be immaterialising
they must be immaterialising	I must have immaterialised
you must have immaterialised
he must have immaterialised
we must have immaterialised
you must have immaterialised
they must have immaterialised	I must have been immaterialising
you must have been immaterialising
he must have been immaterialising
we must have been immaterialising
you must have been immaterialising
they must have been immaterialising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not immaterialise
you must not immaterialise
he must not immaterialise
we must not immaterialise
you must not immaterialise
they must not immaterialise 	I must not be immaterialising
you must not be immaterialising
he must not be immaterialising
we must not be immaterialising
you must not be immaterialising
they must not be immaterialising	I must not have immaterialised
you must not have immaterialised
he must not have immaterialised
we must not have immaterialised
you must not have immaterialised
they must not have immaterialised	I must not have been immaterialising
you must not have been immaterialising
he must not have been immaterialising
we must not have been immaterialising
you must not have been immaterialising
they must not have been immaterialising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I immaterialise?
must you immaterialise?
must he immaterialise?
must we immaterialise?
must you immaterialise?
must they immaterialise? 	must I be immaterialising?
must you be immaterialising?
must he be immaterialising?
must we be immaterialising?
must you be immaterialising?
must they be immaterialising? 	must I have immaterialised?
must you have immaterialised?
must he have immaterialised?
must we have immaterialised?
must you have immaterialised?
must they have immaterialised? 	must I have been immaterialising?
must you have been immaterialising?
must he have been immaterialising?
must we have been immaterialising?
must you have been immaterialising?
must they have been immaterialising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not immaterialise?
must you not immaterialise?
must he not immaterialise?
must we not immaterialise?
must you not immaterialise?
must they not immaterialise? 	must I not be immaterialising?
must you not be immaterialising?
must he not be immaterialising?
must we not be immaterialising?
must you not be immaterialising?
must they not be immaterialising? 	must I not have immaterialised?
must you not have immaterialised?
must he not have immaterialised?
must we not have immaterialised?
must you not have immaterialised?
must they not have immaterialised? 	must I not have been immaterialising?
must you not have been immaterialising?
must he not have been immaterialising?
must we not have been immaterialising?
must you not have been immaterialising?
must they not have been immaterialising?