could keep
Verbo irregolare: keep - kept- kept

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could keep
you could keep
he could keep
we could keep
you could keep
they could keep 	I could be keeping
you could be keeping
he could be keeping
we could be keeping
you could be keeping
they could be keeping	I could have kept
you could have kept
he could have kept
we could have kept
you could have kept
they could have kept	I could have been keeping
you could have been keeping
he could have been keeping
we could have been keeping
you could have been keeping
they could have been keeping	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not keep
you could not keep
he could not keep
we could not keep
you could not keep
they could not keep 	I could not be keeping
you could not be keeping
he could not be keeping
we could not be keeping
you could not be keeping
they could not be keeping	I could not have kept
you could not have kept
he could not have kept
we could not have kept
you could not have kept
they could not have kept	I could not have been keeping
you could not have been keeping
he could not have been keeping
we could not have been keeping
you could not have been keeping
they could not have been keeping	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I keep?
could you keep?
could he keep?
could we keep?
could you keep?
could they keep? 	could I be keeping?
could you be keeping?
could he be keeping?
could we be keeping?
could you be keeping?
could they be keeping? 	could I have kept?
could you have kept?
could he have kept?
could we have kept?
could you have kept?
could they have kept? 	could I have been keeping?
could you have been keeping?
could he have been keeping?
could we have been keeping?
could you have been keeping?
could they have been keeping? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not keep?
could you not keep?
could he not keep?
could we not keep?
could you not keep?
could they not keep? 	could I not be keeping?
could you not be keeping?
could he not be keeping?
could we not be keeping?
could you not be keeping?
could they not be keeping? 	could I not have kept?
could you not have kept?
could he not have kept?
could we not have kept?
could you not have kept?
could they not have kept? 	could I not have been keeping?
could you not have been keeping?
could he not have been keeping?
could we not have been keeping?
could you not have been keeping?
could they not have been keeping?