could specialize
Verbo regolare: specialize - specialized- specialized

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could specialize
you could specialize
she could specialize
we could specialize
you could specialize
they could specialize 	I could be specializing
you could be specializing
she could be specializing
we could be specializing
you could be specializing
they could be specializing	I could have specialized
you could have specialized
she could have specialized
we could have specialized
you could have specialized
they could have specialized	I could have been specializing
you could have been specializing
she could have been specializing
we could have been specializing
you could have been specializing
they could have been specializing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't specialize
you couldn't specialize
she couldn't specialize
we couldn't specialize
you couldn't specialize
they couldn't specialize 	I couldn't be specializing
you couldn't be specializing
she couldn't be specializing
we couldn't be specializing
you couldn't be specializing
they couldn't be specializing	I couldn't have specialized
you couldn't have specialized
she couldn't have specialized
we couldn't have specialized
you couldn't have specialized
they couldn't have specialized	I couldn't have been specializing
you couldn't have been specializing
she couldn't have been specializing
we couldn't have been specializing
you couldn't have been specializing
they couldn't have been specializing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I specialize?
could you specialize?
could she specialize?
could we specialize?
could you specialize?
could they specialize? 	could I be specializing?
could you be specializing?
could she be specializing?
could we be specializing?
could you be specializing?
could they be specializing? 	could I have specialized?
could you have specialized?
could she have specialized?
could we have specialized?
could you have specialized?
could they have specialized? 	could I have been specializing?
could you have been specializing?
could she have been specializing?
could we have been specializing?
could you have been specializing?
could they have been specializing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I specialize?
couldn't you specialize?
couldn't she specialize?
couldn't we specialize?
couldn't you specialize?
couldn't they specialize? 	couldn't I be specializing?
couldn't you be specializing?
couldn't she be specializing?
couldn't we be specializing?
couldn't you be specializing?
couldn't they be specializing? 	couldn't I have specialized?
couldn't you have specialized?
couldn't she have specialized?
couldn't we have specialized?
couldn't you have specialized?
couldn't they have specialized? 	couldn't I have been specializing?
couldn't you have been specializing?
couldn't she have been specializing?
couldn't we have been specializing?
couldn't you have been specializing?
couldn't they have been specializing?