could duck
Verbo regolare: duck - ducked- ducked

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could duck
you could duck
she could duck
we could duck
you could duck
they could duck 	I could be ducking
you could be ducking
she could be ducking
we could be ducking
you could be ducking
they could be ducking	I could have ducked
you could have ducked
she could have ducked
we could have ducked
you could have ducked
they could have ducked	I could have been ducking
you could have been ducking
she could have been ducking
we could have been ducking
you could have been ducking
they could have been ducking	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not duck
you could not duck
she could not duck
we could not duck
you could not duck
they could not duck 	I could not be ducking
you could not be ducking
she could not be ducking
we could not be ducking
you could not be ducking
they could not be ducking	I could not have ducked
you could not have ducked
she could not have ducked
we could not have ducked
you could not have ducked
they could not have ducked	I could not have been ducking
you could not have been ducking
she could not have been ducking
we could not have been ducking
you could not have been ducking
they could not have been ducking	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I duck?
could you duck?
could she duck?
could we duck?
could you duck?
could they duck? 	could I be ducking?
could you be ducking?
could she be ducking?
could we be ducking?
could you be ducking?
could they be ducking? 	could I have ducked?
could you have ducked?
could she have ducked?
could we have ducked?
could you have ducked?
could they have ducked? 	could I have been ducking?
could you have been ducking?
could she have been ducking?
could we have been ducking?
could you have been ducking?
could they have been ducking? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not duck?
could you not duck?
could she not duck?
could we not duck?
could you not duck?
could they not duck? 	could I not be ducking?
could you not be ducking?
could she not be ducking?
could we not be ducking?
could you not be ducking?
could they not be ducking? 	could I not have ducked?
could you not have ducked?
could she not have ducked?
could we not have ducked?
could you not have ducked?
could they not have ducked? 	could I not have been ducking?
could you not have been ducking?
could she not have been ducking?
could we not have been ducking?
could you not have been ducking?
could they not have been ducking?