must diffuse
Verbo regolare: diffuse - diffused- diffused

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must diffuse
you must diffuse
she must diffuse
we must diffuse
you must diffuse
they must diffuse 	I must be diffusing
you must be diffusing
she must be diffusing
we must be diffusing
you must be diffusing
they must be diffusing	I must have diffused
you must have diffused
she must have diffused
we must have diffused
you must have diffused
they must have diffused	I must have been diffusing
you must have been diffusing
she must have been diffusing
we must have been diffusing
you must have been diffusing
they must have been diffusing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not diffuse
you must not diffuse
she must not diffuse
we must not diffuse
you must not diffuse
they must not diffuse 	I must not be diffusing
you must not be diffusing
she must not be diffusing
we must not be diffusing
you must not be diffusing
they must not be diffusing	I must not have diffused
you must not have diffused
she must not have diffused
we must not have diffused
you must not have diffused
they must not have diffused	I must not have been diffusing
you must not have been diffusing
she must not have been diffusing
we must not have been diffusing
you must not have been diffusing
they must not have been diffusing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I diffuse?
must you diffuse?
must she diffuse?
must we diffuse?
must you diffuse?
must they diffuse? 	must I be diffusing?
must you be diffusing?
must she be diffusing?
must we be diffusing?
must you be diffusing?
must they be diffusing? 	must I have diffused?
must you have diffused?
must she have diffused?
must we have diffused?
must you have diffused?
must they have diffused? 	must I have been diffusing?
must you have been diffusing?
must she have been diffusing?
must we have been diffusing?
must you have been diffusing?
must they have been diffusing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not diffuse?
must you not diffuse?
must she not diffuse?
must we not diffuse?
must you not diffuse?
must they not diffuse? 	must I not be diffusing?
must you not be diffusing?
must she not be diffusing?
must we not be diffusing?
must you not be diffusing?
must they not be diffusing? 	must I not have diffused?
must you not have diffused?
must she not have diffused?
must we not have diffused?
must you not have diffused?
must they not have diffused? 	must I not have been diffusing?
must you not have been diffusing?
must she not have been diffusing?
must we not have been diffusing?
must you not have been diffusing?
must they not have been diffusing?