must buzz
Verbo regolare: buzz - buzzed- buzzed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must buzz
you must buzz
she must buzz
we must buzz
you must buzz
they must buzz 	I must be buzzing
you must be buzzing
she must be buzzing
we must be buzzing
you must be buzzing
they must be buzzing	I must have buzzed
you must have buzzed
she must have buzzed
we must have buzzed
you must have buzzed
they must have buzzed	I must have been buzzing
you must have been buzzing
she must have been buzzing
we must have been buzzing
you must have been buzzing
they must have been buzzing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not buzz
you must not buzz
she must not buzz
we must not buzz
you must not buzz
they must not buzz 	I must not be buzzing
you must not be buzzing
she must not be buzzing
we must not be buzzing
you must not be buzzing
they must not be buzzing	I must not have buzzed
you must not have buzzed
she must not have buzzed
we must not have buzzed
you must not have buzzed
they must not have buzzed	I must not have been buzzing
you must not have been buzzing
she must not have been buzzing
we must not have been buzzing
you must not have been buzzing
they must not have been buzzing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I buzz?
must you buzz?
must she buzz?
must we buzz?
must you buzz?
must they buzz? 	must I be buzzing?
must you be buzzing?
must she be buzzing?
must we be buzzing?
must you be buzzing?
must they be buzzing? 	must I have buzzed?
must you have buzzed?
must she have buzzed?
must we have buzzed?
must you have buzzed?
must they have buzzed? 	must I have been buzzing?
must you have been buzzing?
must she have been buzzing?
must we have been buzzing?
must you have been buzzing?
must they have been buzzing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not buzz?
must you not buzz?
must she not buzz?
must we not buzz?
must you not buzz?
must they not buzz? 	must I not be buzzing?
must you not be buzzing?
must she not be buzzing?
must we not be buzzing?
must you not be buzzing?
must they not be buzzing? 	must I not have buzzed?
must you not have buzzed?
must she not have buzzed?
must we not have buzzed?
must you not have buzzed?
must they not have buzzed? 	must I not have been buzzing?
must you not have been buzzing?
must she not have been buzzing?
must we not have been buzzing?
must you not have been buzzing?
must they not have been buzzing?