could retrieve
Verbo regolare: retrieve - retrieved- retrieved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could retrieve
you could retrieve
he could retrieve
we could retrieve
you could retrieve
they could retrieve 	I could be retrieving
you could be retrieving
he could be retrieving
we could be retrieving
you could be retrieving
they could be retrieving	I could have retrieved
you could have retrieved
he could have retrieved
we could have retrieved
you could have retrieved
they could have retrieved	I could have been retrieving
you could have been retrieving
he could have been retrieving
we could have been retrieving
you could have been retrieving
they could have been retrieving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't retrieve
you couldn't retrieve
he couldn't retrieve
we couldn't retrieve
you couldn't retrieve
they couldn't retrieve 	I couldn't be retrieving
you couldn't be retrieving
he couldn't be retrieving
we couldn't be retrieving
you couldn't be retrieving
they couldn't be retrieving	I couldn't have retrieved
you couldn't have retrieved
he couldn't have retrieved
we couldn't have retrieved
you couldn't have retrieved
they couldn't have retrieved	I couldn't have been retrieving
you couldn't have been retrieving
he couldn't have been retrieving
we couldn't have been retrieving
you couldn't have been retrieving
they couldn't have been retrieving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I retrieve?
could you retrieve?
could he retrieve?
could we retrieve?
could you retrieve?
could they retrieve? 	could I be retrieving?
could you be retrieving?
could he be retrieving?
could we be retrieving?
could you be retrieving?
could they be retrieving? 	could I have retrieved?
could you have retrieved?
could he have retrieved?
could we have retrieved?
could you have retrieved?
could they have retrieved? 	could I have been retrieving?
could you have been retrieving?
could he have been retrieving?
could we have been retrieving?
could you have been retrieving?
could they have been retrieving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I retrieve?
couldn't you retrieve?
couldn't he retrieve?
couldn't we retrieve?
couldn't you retrieve?
couldn't they retrieve? 	couldn't I be retrieving?
couldn't you be retrieving?
couldn't he be retrieving?
couldn't we be retrieving?
couldn't you be retrieving?
couldn't they be retrieving? 	couldn't I have retrieved?
couldn't you have retrieved?
couldn't he have retrieved?
couldn't we have retrieved?
couldn't you have retrieved?
couldn't they have retrieved? 	couldn't I have been retrieving?
couldn't you have been retrieving?
couldn't he have been retrieving?
couldn't we have been retrieving?
couldn't you have been retrieving?
couldn't they have been retrieving?