must treat
Verbe régulier : treat - treated- treated
Traduction française : traiter - traiter de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must treat
you must treat
she must treat
we must treat
you must treat
they must treat 	I must be treating
you must be treating
she must be treating
we must be treating
you must be treating
they must be treating	I must have treated
you must have treated
she 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
she must have been treating
we must have been treating
you must have been treating
they must have been treating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not treat
you must not treat
she must not treat
we must not treat
you must not treat
they must not treat 	I must not be treating
you must not be treating
she must not be treating
we must not be treating
you must not be treating
they must not be treating	I must not have treated
you must not have treated
she must not have treated
we must not have treated
you must not have treated
they must not have treated	I must not have been treating
you must not have been treating
she must not have been treating
we must not have been treating
you must not have been treating
they must not have been treating	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I treat?
must you treat?
must she treat?
must we treat?
must you treat?
must they treat? 	must I be treating?
must you be treating?
must she be treating?
must we be treating?
must you be treating?
must they be treating? 	must I have treated?
must you have treated?
must she 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 she have been treating?
must we have been treating?
must you have been treating?
must they have been treating? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not treat?
must you not treat?
must she not treat?
must we not treat?
must you not treat?
must they not treat? 	must I not be treating?
must you not be treating?
must she not be treating?
must we not be treating?
must you not be treating?
must they not be treating? 	must I not have treated?
must you not have treated?
must she not have treated?
must we not have treated?
must you not have treated?
must they not have treated? 	must I not have been treating?
must you not have been treating?
must she not have been treating?
must we not have been treating?
must you not have been treating?
must they not have been treating?