must proposition
Verbo regolare: proposition - propositioned- propositioned

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must proposition
you must proposition
he must proposition
we must proposition
you must proposition
they must proposition 	I must be propositioning
you must be propositioning
he must be propositioning
we must be propositioning
you must be propositioning
they must be propositioning	I must have propositioned
you must have propositioned
he must have propositioned
we must have propositioned
you must have propositioned
they must have propositioned	I must have been propositioning
you must have been propositioning
he must have been propositioning
we must have been propositioning
you must have been propositioning
they must have been propositioning	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not proposition
you must not proposition
he must not proposition
we must not proposition
you must not proposition
they must not proposition 	I must not be propositioning
you must not be propositioning
he must not be propositioning
we must not be propositioning
you must not be propositioning
they must not be propositioning	I must not have propositioned
you must not have propositioned
he must not have propositioned
we must not have propositioned
you must not have propositioned
they must not have propositioned	I must not have been propositioning
you must not have been propositioning
he must not have been propositioning
we must not have been propositioning
you must not have been propositioning
they must not have been propositioning	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I proposition?
must you proposition?
must he proposition?
must we proposition?
must you proposition?
must they proposition? 	must I be propositioning?
must you be propositioning?
must he be propositioning?
must we be propositioning?
must you be propositioning?
must they be propositioning? 	must I have propositioned?
must you have propositioned?
must he have propositioned?
must we have propositioned?
must you have propositioned?
must they have propositioned? 	must I have been propositioning?
must you have been propositioning?
must he have been propositioning?
must we have been propositioning?
must you have been propositioning?
must they have been propositioning? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not proposition?
must you not proposition?
must he not proposition?
must we not proposition?
must you not proposition?
must they not proposition? 	must I not be propositioning?
must you not be propositioning?
must he not be propositioning?
must we not be propositioning?
must you not be propositioning?
must they not be propositioning? 	must I not have propositioned?
must you not have propositioned?
must he not have propositioned?
must we not have propositioned?
must you not have propositioned?
must they not have propositioned? 	must I not have been propositioning?
must you not have been propositioning?
must he not have been propositioning?
must we not have been propositioning?
must you not have been propositioning?
must they not have been propositioning?