must explain
Verbo regolare: explain - explained- explained

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must explain
you must explain
he must explain
we must explain
you must explain
they must explain 	I must be explaining
you must be explaining
he must be explaining
we must be explaining
you must be explaining
they must be explaining	I must have explained
you must have explained
he must have explained
we must have explained
you must have explained
they must have explained	I must have been explaining
you must have been explaining
he must have been explaining
we must have been explaining
you must have been explaining
they must have been explaining	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't explain
you mustn't explain
he mustn't explain
we mustn't explain
you mustn't explain
they mustn't explain 	I mustn't be explaining
you mustn't be explaining
he mustn't be explaining
we mustn't be explaining
you mustn't be explaining
they mustn't be explaining	I mustn't have explained
you mustn't have explained
he mustn't have explained
we mustn't have explained
you mustn't have explained
they mustn't have explained	I mustn't have been explaining
you mustn't have been explaining
he mustn't have been explaining
we mustn't have been explaining
you mustn't have been explaining
they mustn't have been explaining	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I explain?
must you explain?
must he explain?
must we explain?
must you explain?
must they explain? 	must I be explaining?
must you be explaining?
must he be explaining?
must we be explaining?
must you be explaining?
must they be explaining? 	must I have explained?
must you have explained?
must he have explained?
must we have explained?
must you have explained?
must they have explained? 	must I have been explaining?
must you have been explaining?
must he have been explaining?
must we have been explaining?
must you have been explaining?
must they have been explaining? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I explain?
mustn't you explain?
mustn't he explain?
mustn't we explain?
mustn't you explain?
mustn't they explain? 	mustn't I be explaining?
mustn't you be explaining?
mustn't he be explaining?
mustn't we be explaining?
mustn't you be explaining?
mustn't they be explaining? 	mustn't I have explained?
mustn't you have explained?
mustn't he have explained?
mustn't we have explained?
mustn't you have explained?
mustn't they have explained? 	mustn't I have been explaining?
mustn't you have been explaining?
mustn't he have been explaining?
mustn't we have been explaining?
mustn't you have been explaining?
mustn't they have been explaining?