could specialise
Verbo regolare: specialise - specialised- specialised

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could specialise
you could specialise
he could specialise
we could specialise
you could specialise
they could specialise 	I could be specialising
you could be specialising
he could be specialising
we could be specialising
you could be specialising
they could be specialising	I could have specialised
you could have specialised
he could have specialised
we could have specialised
you could have specialised
they could have specialised	I could have been specialising
you could have been specialising
he could have been specialising
we could have been specialising
you could have been specialising
they could have been specialising	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't specialise
you couldn't specialise
he couldn't specialise
we couldn't specialise
you couldn't specialise
they couldn't specialise 	I couldn't be specialising
you couldn't be specialising
he couldn't be specialising
we couldn't be specialising
you couldn't be specialising
they couldn't be specialising	I couldn't have specialised
you couldn't have specialised
he couldn't have specialised
we couldn't have specialised
you couldn't have specialised
they couldn't have specialised	I couldn't have been specialising
you couldn't have been specialising
he couldn't have been specialising
we couldn't have been specialising
you couldn't have been specialising
they couldn't have been specialising	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I specialise?
could you specialise?
could he specialise?
could we specialise?
could you specialise?
could they specialise? 	could I be specialising?
could you be specialising?
could he be specialising?
could we be specialising?
could you be specialising?
could they be specialising? 	could I have specialised?
could you have specialised?
could he have specialised?
could we have specialised?
could you have specialised?
could they have specialised? 	could I have been specialising?
could you have been specialising?
could he have been specialising?
could we have been specialising?
could you have been specialising?
could they have been specialising? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I specialise?
couldn't you specialise?
couldn't he specialise?
couldn't we specialise?
couldn't you specialise?
couldn't they specialise? 	couldn't I be specialising?
couldn't you be specialising?
couldn't he be specialising?
couldn't we be specialising?
couldn't you be specialising?
couldn't they be specialising? 	couldn't I have specialised?
couldn't you have specialised?
couldn't he have specialised?
couldn't we have specialised?
couldn't you have specialised?
couldn't they have specialised? 	couldn't I have been specialising?
couldn't you have been specialising?
couldn't he have been specialising?
couldn't we have been specialising?
couldn't you have been specialising?
couldn't they have been specialising?