must tauten
Verbo regolare: tauten - tautened- tautened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must tauten
you must tauten
he must tauten
we must tauten
you must tauten
they must tauten 	I must be tautening
you must be tautening
he must be tautening
we must be tautening
you must be tautening
they must be tautening	I must have tautened
you must have tautened
he must have tautened
we must have tautened
you must have tautened
they must have tautened	I must have been tautening
you must have been tautening
he must have been tautening
we must have been tautening
you must have been tautening
they must have been tautening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not tauten
you must not tauten
he must not tauten
we must not tauten
you must not tauten
they must not tauten 	I must not be tautening
you must not be tautening
he must not be tautening
we must not be tautening
you must not be tautening
they must not be tautening	I must not have tautened
you must not have tautened
he must not have tautened
we must not have tautened
you must not have tautened
they must not have tautened	I must not have been tautening
you must not have been tautening
he must not have been tautening
we must not have been tautening
you must not have been tautening
they must not have been tautening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I tauten?
must you tauten?
must he tauten?
must we tauten?
must you tauten?
must they tauten? 	must I be tautening?
must you be tautening?
must he be tautening?
must we be tautening?
must you be tautening?
must they be tautening? 	must I have tautened?
must you have tautened?
must he have tautened?
must we have tautened?
must you have tautened?
must they have tautened? 	must I have been tautening?
must you have been tautening?
must he have been tautening?
must we have been tautening?
must you have been tautening?
must they have been tautening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not tauten?
must you not tauten?
must he not tauten?
must we not tauten?
must you not tauten?
must they not tauten? 	must I not be tautening?
must you not be tautening?
must he not be tautening?
must we not be tautening?
must you not be tautening?
must they not be tautening? 	must I not have tautened?
must you not have tautened?
must he not have tautened?
must we not have tautened?
must you not have tautened?
must they not have tautened? 	must I not have been tautening?
must you not have been tautening?
must he not have been tautening?
must we not have been tautening?
must you not have been tautening?
must they not have been tautening?