must treat
Verbo regolare: treat - treated- treated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must treat
you must treat
he must treat
we must treat
you must treat
they must treat 	I must be treating
you must be treating
he must be treating
we must be treating
you must be treating
they must be treating	I must have treated
you must have treated
he must have treated
we must have treated
you must have treated
they must have treated	I must have been treating
you must have been treating
he must have been treating
we must have been treating
you must have been treating
they must have been treating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't treat
you mustn't treat
he mustn't treat
we mustn't treat
you mustn't treat
they mustn't treat 	I mustn't be treating
you mustn't be treating
he mustn't be treating
we mustn't be treating
you mustn't be treating
they mustn't be treating	I mustn't have treated
you mustn't have treated
he mustn't have treated
we mustn't have treated
you mustn't have treated
they mustn't have treated	I mustn't have been treating
you mustn't have been treating
he mustn't have been treating
we mustn't have been treating
you mustn't have been treating
they mustn't have been treating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I treat?
must you treat?
must he treat?
must we treat?
must you treat?
must they treat? 	must I be treating?
must you be treating?
must he be treating?
must we be treating?
must you be treating?
must they be treating? 	must I have treated?
must you have treated?
must he have treated?
must we have treated?
must you have treated?
must they have treated? 	must I have been treating?
must you have been treating?
must he have been treating?
must we have been treating?
must you have been treating?
must they have been treating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I treat?
mustn't you treat?
mustn't he treat?
mustn't we treat?
mustn't you treat?
mustn't they treat? 	mustn't I be treating?
mustn't you be treating?
mustn't he be treating?
mustn't we be treating?
mustn't you be treating?
mustn't they be treating? 	mustn't I have treated?
mustn't you have treated?
mustn't he have treated?
mustn't we have treated?
mustn't you have treated?
mustn't they have treated? 	mustn't I have been treating?
mustn't you have been treating?
mustn't he have been treating?
mustn't we have been treating?
mustn't you have been treating?
mustn't they have been treating?