must malfunction
Verbo regolare: malfunction - malfunctioned- malfunctioned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must malfunction
you must malfunction
he must malfunction
we must malfunction
you must malfunction
they must malfunction 	I must be malfunctioning
you must be malfunctioning
he must be malfunctioning
we must be malfunctioning
you must be malfunctioning
they must be malfunctioning	I must have malfunctioned
you must have malfunctioned
he must have malfunctioned
we must have malfunctioned
you must have malfunctioned
they must have malfunctioned	I must have been malfunctioning
you must have been malfunctioning
he must have been malfunctioning
we must have been malfunctioning
you must have been malfunctioning
they must have been malfunctioning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not malfunction
you must not malfunction
he must not malfunction
we must not malfunction
you must not malfunction
they must not malfunction 	I must not be malfunctioning
you must not be malfunctioning
he must not be malfunctioning
we must not be malfunctioning
you must not be malfunctioning
they must not be malfunctioning	I must not have malfunctioned
you must not have malfunctioned
he must not have malfunctioned
we must not have malfunctioned
you must not have malfunctioned
they must not have malfunctioned	I must not have been malfunctioning
you must not have been malfunctioning
he must not have been malfunctioning
we must not have been malfunctioning
you must not have been malfunctioning
they must not have been malfunctioning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I malfunction?
must you malfunction?
must he malfunction?
must we malfunction?
must you malfunction?
must they malfunction? 	must I be malfunctioning?
must you be malfunctioning?
must he be malfunctioning?
must we be malfunctioning?
must you be malfunctioning?
must they be malfunctioning? 	must I have malfunctioned?
must you have malfunctioned?
must he have malfunctioned?
must we have malfunctioned?
must you have malfunctioned?
must they have malfunctioned? 	must I have been malfunctioning?
must you have been malfunctioning?
must he have been malfunctioning?
must we have been malfunctioning?
must you have been malfunctioning?
must they have been malfunctioning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not malfunction?
must you not malfunction?
must he not malfunction?
must we not malfunction?
must you not malfunction?
must they not malfunction? 	must I not be malfunctioning?
must you not be malfunctioning?
must he not be malfunctioning?
must we not be malfunctioning?
must you not be malfunctioning?
must they not be malfunctioning? 	must I not have malfunctioned?
must you not have malfunctioned?
must he not have malfunctioned?
must we not have malfunctioned?
must you not have malfunctioned?
must they not have malfunctioned? 	must I not have been malfunctioning?
must you not have been malfunctioning?
must he not have been malfunctioning?
must we not have been malfunctioning?
must you not have been malfunctioning?
must they not have been malfunctioning?