can prolong
Verbo regolare: prolong - prolonged- prolonged

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can prolong
you can prolong
she can prolong
we can prolong
you can prolong
they can prolong 	I can be prolonging
you can be prolonging
she can be prolonging
we can be prolonging
you can be prolonging
they can be prolonging	I can have prolonged
you can have prolonged
she can have prolonged
we can have prolonged
you can have prolonged
they can have prolonged	I can have been prolonging
you can have been prolonging
she can have been prolonging
we can have been prolonging
you can have been prolonging
they can have been prolonging	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot prolong
you cannot prolong
she cannot prolong
we cannot prolong
you cannot prolong
they cannot prolong 	I cannot be prolonging
you cannot be prolonging
she cannot be prolonging
we cannot be prolonging
you cannot be prolonging
they cannot be prolonging	I cannot have prolonged
you cannot have prolonged
she cannot have prolonged
we cannot have prolonged
you cannot have prolonged
they cannot have prolonged	I cannot have been prolonging
you cannot have been prolonging
she cannot have been prolonging
we cannot have been prolonging
you cannot have been prolonging
they cannot have been prolonging	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I prolong?
can you prolong?
can she prolong?
can we prolong?
can you prolong?
can they prolong? 	can I be prolonging?
can you be prolonging?
can she be prolonging?
can we be prolonging?
can you be prolonging?
can they be prolonging? 	can I have prolonged?
can you have prolonged?
can she have prolonged?
can we have prolonged?
can you have prolonged?
can they have prolonged? 	can I have been prolonging?
can you have been prolonging?
can she have been prolonging?
can we have been prolonging?
can you have been prolonging?
can they have been prolonging? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not prolong?
can you not prolong?
can she not prolong?
can we not prolong?
can you not prolong?
can they not prolong? 	can I not be prolonging?
can you not be prolonging?
can she not be prolonging?
can we not be prolonging?
can you not be prolonging?
can they not be prolonging? 	can I not have prolonged?
can you not have prolonged?
can she not have prolonged?
can we not have prolonged?
can you not have prolonged?
can they not have prolonged? 	can I not have been prolonging?
can you not have been prolonging?
can she not have been prolonging?
can we not have been prolonging?
can you not have been prolonging?
can they not have been prolonging?