could regress
Verbo regolare: regress - regressed- regressed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could regress
you could regress
he could regress
we could regress
you could regress
they could regress 	I could be regressing
you could be regressing
he could be regressing
we could be regressing
you could be regressing
they could be regressing	I could have regressed
you could have regressed
he could have regressed
we could have regressed
you could have regressed
they could have regressed	I could have been regressing
you could have been regressing
he could have been regressing
we could have been regressing
you could have been regressing
they could have been regressing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't regress
you couldn't regress
he couldn't regress
we couldn't regress
you couldn't regress
they couldn't regress 	I couldn't be regressing
you couldn't be regressing
he couldn't be regressing
we couldn't be regressing
you couldn't be regressing
they couldn't be regressing	I couldn't have regressed
you couldn't have regressed
he couldn't have regressed
we couldn't have regressed
you couldn't have regressed
they couldn't have regressed	I couldn't have been regressing
you couldn't have been regressing
he couldn't have been regressing
we couldn't have been regressing
you couldn't have been regressing
they couldn't have been regressing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I regress?
could you regress?
could he regress?
could we regress?
could you regress?
could they regress? 	could I be regressing?
could you be regressing?
could he be regressing?
could we be regressing?
could you be regressing?
could they be regressing? 	could I have regressed?
could you have regressed?
could he have regressed?
could we have regressed?
could you have regressed?
could they have regressed? 	could I have been regressing?
could you have been regressing?
could he have been regressing?
could we have been regressing?
could you have been regressing?
could they have been regressing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I regress?
couldn't you regress?
couldn't he regress?
couldn't we regress?
couldn't you regress?
couldn't they regress? 	couldn't I be regressing?
couldn't you be regressing?
couldn't he be regressing?
couldn't we be regressing?
couldn't you be regressing?
couldn't they be regressing? 	couldn't I have regressed?
couldn't you have regressed?
couldn't he have regressed?
couldn't we have regressed?
couldn't you have regressed?
couldn't they have regressed? 	couldn't I have been regressing?
couldn't you have been regressing?
couldn't he have been regressing?
couldn't we have been regressing?
couldn't you have been regressing?
couldn't they have been regressing?