can retrogress
Verbo regolare: retrogress - retrogressed- retrogressed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can retrogress
you can retrogress
she can retrogress
we can retrogress
you can retrogress
they can retrogress 	I can be retrogressing
you can be retrogressing
she can be retrogressing
we can be retrogressing
you can be retrogressing
they can be retrogressing	I can have retrogressed
you can have retrogressed
she can have retrogressed
we can have retrogressed
you can have retrogressed
they can have retrogressed	I can have been retrogressing
you can have been retrogressing
she can have been retrogressing
we can have been retrogressing
you can have been retrogressing
they can have been retrogressing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I cannot retrogress
you cannot retrogress
she cannot retrogress
we cannot retrogress
you cannot retrogress
they cannot retrogress 	I cannot be retrogressing
you cannot be retrogressing
she cannot be retrogressing
we cannot be retrogressing
you cannot be retrogressing
they cannot be retrogressing	I cannot have retrogressed
you cannot have retrogressed
she cannot have retrogressed
we cannot have retrogressed
you cannot have retrogressed
they cannot have retrogressed	I cannot have been retrogressing
you cannot have been retrogressing
she cannot have been retrogressing
we cannot have been retrogressing
you cannot have been retrogressing
they cannot have been retrogressing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I retrogress?
can you retrogress?
can she retrogress?
can we retrogress?
can you retrogress?
can they retrogress? 	can I be retrogressing?
can you be retrogressing?
can she be retrogressing?
can we be retrogressing?
can you be retrogressing?
can they be retrogressing? 	can I have retrogressed?
can you have retrogressed?
can she have retrogressed?
can we have retrogressed?
can you have retrogressed?
can they have retrogressed? 	can I have been retrogressing?
can you have been retrogressing?
can she have been retrogressing?
can we have been retrogressing?
can you have been retrogressing?
can they have been retrogressing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I not retrogress?
can you not retrogress?
can she not retrogress?
can we not retrogress?
can you not retrogress?
can they not retrogress? 	can I not be retrogressing?
can you not be retrogressing?
can she not be retrogressing?
can we not be retrogressing?
can you not be retrogressing?
can they not be retrogressing? 	can I not have retrogressed?
can you not have retrogressed?
can she not have retrogressed?
can we not have retrogressed?
can you not have retrogressed?
can they not have retrogressed? 	can I not have been retrogressing?
can you not have been retrogressing?
can she not have been retrogressing?
can we not have been retrogressing?
can you not have been retrogressing?
can they not have been retrogressing?