could den
Verbo regolare: den - dened- dened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could den
you could den
she could den
we could den
you could den
they could den 	I could be dening
you could be dening
she could be dening
we could be dening
you could be dening
they could be dening	I could have dened
you could have dened
she could have dened
we could have dened
you could have dened
they could have dened	I could have been dening
you could have been dening
she could have been dening
we could have been dening
you could have been dening
they could have been dening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't den
you couldn't den
she couldn't den
we couldn't den
you couldn't den
they couldn't den 	I couldn't be dening
you couldn't be dening
she couldn't be dening
we couldn't be dening
you couldn't be dening
they couldn't be dening	I couldn't have dened
you couldn't have dened
she couldn't have dened
we couldn't have dened
you couldn't have dened
they couldn't have dened	I couldn't have been dening
you couldn't have been dening
she couldn't have been dening
we couldn't have been dening
you couldn't have been dening
they couldn't have been dening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I den?
could you den?
could she den?
could we den?
could you den?
could they den? 	could I be dening?
could you be dening?
could she be dening?
could we be dening?
could you be dening?
could they be dening? 	could I have dened?
could you have dened?
could she have dened?
could we have dened?
could you have dened?
could they have dened? 	could I have been dening?
could you have been dening?
could she have been dening?
could we have been dening?
could you have been dening?
could they have been dening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I den?
couldn't you den?
couldn't she den?
couldn't we den?
couldn't you den?
couldn't they den? 	couldn't I be dening?
couldn't you be dening?
couldn't she be dening?
couldn't we be dening?
couldn't you be dening?
couldn't they be dening? 	couldn't I have dened?
couldn't you have dened?
couldn't she have dened?
couldn't we have dened?
couldn't you have dened?
couldn't they have dened? 	couldn't I have been dening?
couldn't you have been dening?
couldn't she have been dening?
couldn't we have been dening?
couldn't you have been dening?
couldn't they have been dening?