can quicken
Verbo regolare: quicken - quickened- quickened

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

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

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

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