must quicken
Verbo regolare: quicken - quickened- quickened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must quicken
you must quicken
he must quicken
we must quicken
you must quicken
they must quicken 	I must be quickening
you must be quickening
he must be quickening
we must be quickening
you must be quickening
they must be quickening	I must have quickened
you must have quickened
he must have quickened
we must have quickened
you must have quickened
they must have quickened	I must have been quickening
you must have been quickening
he must have been quickening
we must have been quickening
you must have been quickening
they must have been quickening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not quicken
you must not quicken
he must not quicken
we must not quicken
you must not quicken
they must not quicken 	I must not be quickening
you must not be quickening
he must not be quickening
we must not be quickening
you must not be quickening
they must not be quickening	I must not have quickened
you must not have quickened
he must not have quickened
we must not have quickened
you must not have quickened
they must not have quickened	I must not have been quickening
you must not have been quickening
he must not have been quickening
we must not have been quickening
you must not have been quickening
they must not have been quickening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I quicken?
must you quicken?
must he quicken?
must we quicken?
must you quicken?
must they quicken? 	must I be quickening?
must you be quickening?
must he be quickening?
must we be quickening?
must you be quickening?
must they be quickening? 	must I have quickened?
must you have quickened?
must he have quickened?
must we have quickened?
must you have quickened?
must they have quickened? 	must I have been quickening?
must you have been quickening?
must he have been quickening?
must we have been quickening?
must you have been quickening?
must they have been quickening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not quicken?
must you not quicken?
must he not quicken?
must we not quicken?
must you not quicken?
must they not quicken? 	must I not be quickening?
must you not be quickening?
must he not be quickening?
must we not be quickening?
must you not be quickening?
must they not be quickening? 	must I not have quickened?
must you not have quickened?
must he not have quickened?
must we not have quickened?
must you not have quickened?
must they not have quickened? 	must I not have been quickening?
must you not have been quickening?
must he not have been quickening?
must we not have been quickening?
must you not have been quickening?
must they not have been quickening?