must freshen
Verbo regular: freshen - freshened- freshened

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must freshen
you must freshen
he must freshen
we must freshen
you must freshen
they must freshen 	I must be freshening
you must be freshening
he must be freshening
we must be freshening
you must be freshening
they must be freshening	I must have freshened
you must have freshened
he must have freshened
we must have freshened
you must have freshened
they must have freshened	I must have been freshening
you must have been freshening
he must have been freshening
we must have been freshening
you must have been freshening
they must have been freshening	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not freshen
you must not freshen
he must not freshen
we must not freshen
you must not freshen
they must not freshen 	I must not be freshening
you must not be freshening
he must not be freshening
we must not be freshening
you must not be freshening
they must not be freshening	I must not have freshened
you must not have freshened
he must not have freshened
we must not have freshened
you must not have freshened
they must not have freshened	I must not have been freshening
you must not have been freshening
he must not have been freshening
we must not have been freshening
you must not have been freshening
they must not have been freshening	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I freshen?
must you freshen?
must he freshen?
must we freshen?
must you freshen?
must they freshen? 	must I be freshening?
must you be freshening?
must he be freshening?
must we be freshening?
must you be freshening?
must they be freshening? 	must I have freshened?
must you have freshened?
must he have freshened?
must we have freshened?
must you have freshened?
must they have freshened? 	must I have been freshening?
must you have been freshening?
must he have been freshening?
must we have been freshening?
must you have been freshening?
must they have been freshening? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not freshen?
must you not freshen?
must he not freshen?
must we not freshen?
must you not freshen?
must they not freshen? 	must I not be freshening?
must you not be freshening?
must he not be freshening?
must we not be freshening?
must you not be freshening?
must they not be freshening? 	must I not have freshened?
must you not have freshened?
must he not have freshened?
must we not have freshened?
must you not have freshened?
must they not have freshened? 	must I not have been freshening?
must you not have been freshening?
must he not have been freshening?
must we not have been freshening?
must you not have been freshening?
must they not have been freshening?