could quicken
Verbo regolare: quicken - quickened- quickened

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

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

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

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