could prefix
Verbo regolare: prefix - prefixed- prefixed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could prefix
you could prefix
she could prefix
we could prefix
you could prefix
they could prefix 	I could be prefixing
you could be prefixing
she could be prefixing
we could be prefixing
you could be prefixing
they could be prefixing	I could have prefixed
you could have prefixed
she could have prefixed
we could have prefixed
you could have prefixed
they could have prefixed	I could have been prefixing
you could have been prefixing
she could have been prefixing
we could have been prefixing
you could have been prefixing
they could have been prefixing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't prefix
you couldn't prefix
she couldn't prefix
we couldn't prefix
you couldn't prefix
they couldn't prefix 	I couldn't be prefixing
you couldn't be prefixing
she couldn't be prefixing
we couldn't be prefixing
you couldn't be prefixing
they couldn't be prefixing	I couldn't have prefixed
you couldn't have prefixed
she couldn't have prefixed
we couldn't have prefixed
you couldn't have prefixed
they couldn't have prefixed	I couldn't have been prefixing
you couldn't have been prefixing
she couldn't have been prefixing
we couldn't have been prefixing
you couldn't have been prefixing
they couldn't have been prefixing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I prefix?
could you prefix?
could she prefix?
could we prefix?
could you prefix?
could they prefix? 	could I be prefixing?
could you be prefixing?
could she be prefixing?
could we be prefixing?
could you be prefixing?
could they be prefixing? 	could I have prefixed?
could you have prefixed?
could she have prefixed?
could we have prefixed?
could you have prefixed?
could they have prefixed? 	could I have been prefixing?
could you have been prefixing?
could she have been prefixing?
could we have been prefixing?
could you have been prefixing?
could they have been prefixing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I prefix?
couldn't you prefix?
couldn't she prefix?
couldn't we prefix?
couldn't you prefix?
couldn't they prefix? 	couldn't I be prefixing?
couldn't you be prefixing?
couldn't she be prefixing?
couldn't we be prefixing?
couldn't you be prefixing?
couldn't they be prefixing? 	couldn't I have prefixed?
couldn't you have prefixed?
couldn't she have prefixed?
couldn't we have prefixed?
couldn't you have prefixed?
couldn't they have prefixed? 	couldn't I have been prefixing?
couldn't you have been prefixing?
couldn't she have been prefixing?
couldn't we have been prefixing?
couldn't you have been prefixing?
couldn't they have been prefixing?