must matter
Verbo regolare: matter - mattered- mattered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must matter
you must matter
he must matter
we must matter
you must matter
they must matter 	I must be mattering
you must be mattering
he must be mattering
we must be mattering
you must be mattering
they must be mattering	I must have mattered
you must have mattered
he must have mattered
we must have mattered
you must have mattered
they must have mattered	I must have been mattering
you must have been mattering
he must have been mattering
we must have been mattering
you must have been mattering
they must have been mattering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not matter
you must not matter
he must not matter
we must not matter
you must not matter
they must not matter 	I must not be mattering
you must not be mattering
he must not be mattering
we must not be mattering
you must not be mattering
they must not be mattering	I must not have mattered
you must not have mattered
he must not have mattered
we must not have mattered
you must not have mattered
they must not have mattered	I must not have been mattering
you must not have been mattering
he must not have been mattering
we must not have been mattering
you must not have been mattering
they must not have been mattering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I matter?
must you matter?
must he matter?
must we matter?
must you matter?
must they matter? 	must I be mattering?
must you be mattering?
must he be mattering?
must we be mattering?
must you be mattering?
must they be mattering? 	must I have mattered?
must you have mattered?
must he have mattered?
must we have mattered?
must you have mattered?
must they have mattered? 	must I have been mattering?
must you have been mattering?
must he have been mattering?
must we have been mattering?
must you have been mattering?
must they have been mattering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not matter?
must you not matter?
must he not matter?
must we not matter?
must you not matter?
must they not matter? 	must I not be mattering?
must you not be mattering?
must he not be mattering?
must we not be mattering?
must you not be mattering?
must they not be mattering? 	must I not have mattered?
must you not have mattered?
must he not have mattered?
must we not have mattered?
must you not have mattered?
must they not have mattered? 	must I not have been mattering?
must you not have been mattering?
must he not have been mattering?
must we not have been mattering?
must you not have been mattering?
must they not have been mattering?