must interfuse
Verbo regolare: interfuse - interfused- interfused

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must interfuse
you must interfuse
he must interfuse
we must interfuse
you must interfuse
they must interfuse 	I must be interfusing
you must be interfusing
he must be interfusing
we must be interfusing
you must be interfusing
they must be interfusing	I must have interfused
you must have interfused
he must have interfused
we must have interfused
you must have interfused
they must have interfused	I must have been interfusing
you must have been interfusing
he must have been interfusing
we must have been interfusing
you must have been interfusing
they must have been interfusing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't interfuse
you mustn't interfuse
he mustn't interfuse
we mustn't interfuse
you mustn't interfuse
they mustn't interfuse 	I mustn't be interfusing
you mustn't be interfusing
he mustn't be interfusing
we mustn't be interfusing
you mustn't be interfusing
they mustn't be interfusing	I mustn't have interfused
you mustn't have interfused
he mustn't have interfused
we mustn't have interfused
you mustn't have interfused
they mustn't have interfused	I mustn't have been interfusing
you mustn't have been interfusing
he mustn't have been interfusing
we mustn't have been interfusing
you mustn't have been interfusing
they mustn't have been interfusing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I interfuse?
must you interfuse?
must he interfuse?
must we interfuse?
must you interfuse?
must they interfuse? 	must I be interfusing?
must you be interfusing?
must he be interfusing?
must we be interfusing?
must you be interfusing?
must they be interfusing? 	must I have interfused?
must you have interfused?
must he have interfused?
must we have interfused?
must you have interfused?
must they have interfused? 	must I have been interfusing?
must you have been interfusing?
must he have been interfusing?
must we have been interfusing?
must you have been interfusing?
must they have been interfusing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I interfuse?
mustn't you interfuse?
mustn't he interfuse?
mustn't we interfuse?
mustn't you interfuse?
mustn't they interfuse? 	mustn't I be interfusing?
mustn't you be interfusing?
mustn't he be interfusing?
mustn't we be interfusing?
mustn't you be interfusing?
mustn't they be interfusing? 	mustn't I have interfused?
mustn't you have interfused?
mustn't he have interfused?
mustn't we have interfused?
mustn't you have interfused?
mustn't they have interfused? 	mustn't I have been interfusing?
mustn't you have been interfusing?
mustn't he have been interfusing?
mustn't we have been interfusing?
mustn't you have been interfusing?
mustn't they have been interfusing?