Verbo regular: specialise - specialised - specialised
Afirmación
Forma simple
I could specialise you could specialise he could specialise we could specialise you could specialise they could specialise
Forma con V-ing
I could be specialising you could be specialising he could be specialising we could be specialising you could be specialising they could be specialising
Perfecto
I could have specialised you could have specialised he could have specialised we could have specialised you could have specialised they could have specialised
Perfecto con V-ing
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
Negación
Forma simple
I could not specialise you could not specialise he could not specialise we could not specialise you could not specialise they could not specialise
Forma con V-ing
I could not be specialising you could not be specialising he could not be specialising we could not be specialising you could not be specialising they could not be specialising
Perfecto
I could not have specialised you could not have specialised he could not have specialised we could not have specialised you could not have specialised they could not have specialised
Perfecto con V-ing
I could not have been specialising you could not have been specialising he could not have been specialising we could not have been specialising you could not have been specialising they could not have been specialising
Forma interrogativa
Forma simple
could I specialise? could you specialise? could he specialise? could we specialise? could you specialise? could they specialise?
Forma con V-ing
could I be specialising? could you be specialising? could he be specialising? could we be specialising? could you be specialising? could they be specialising?
Perfecto
could I have specialised? could you have specialised? could he have specialised? could we have specialised? could you have specialised? could they have specialised?
Perfecto con V-ing
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 simple
could I not specialise? could you not specialise? could he not specialise? could we not specialise? could you not specialise? could they not specialise?
Forma con V-ing
could I not be specialising? could you not be specialising? could he not be specialising? could we not be specialising? could you not be specialising? could they not be specialising?
Perfecto
could I not have specialised? could you not have specialised? could he not have specialised? could we not have specialised? could you not have specialised? could they not have specialised?
Perfecto con V-ing
could I not have been specialising? could you not have been specialising? could he not have been specialising? could we not have been specialising? could you not have been specialising? could they not have been specialising?