could externalise
Verbo regular: externalise - externalised- externalised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could externalise
you could externalise
she could externalise
we could externalise
you could externalise
they could externalise 	I could be externalising
you could be externalising
she could be externalising
we could be externalising
you could be externalising
they could be externalising	I could have externalised
you could have externalised
she could have externalised
we could have externalised
you could have externalised
they could have externalised	I could have been externalising
you could have been externalising
she could have been externalising
we could have been externalising
you could have been externalising
they could have been externalising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not externalise
you could not externalise
she could not externalise
we could not externalise
you could not externalise
they could not externalise 	I could not be externalising
you could not be externalising
she could not be externalising
we could not be externalising
you could not be externalising
they could not be externalising	I could not have externalised
you could not have externalised
she could not have externalised
we could not have externalised
you could not have externalised
they could not have externalised	I could not have been externalising
you could not have been externalising
she could not have been externalising
we could not have been externalising
you could not have been externalising
they could not have been externalising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I externalise?
could you externalise?
could she externalise?
could we externalise?
could you externalise?
could they externalise? 	could I be externalising?
could you be externalising?
could she be externalising?
could we be externalising?
could you be externalising?
could they be externalising? 	could I have externalised?
could you have externalised?
could she have externalised?
could we have externalised?
could you have externalised?
could they have externalised? 	could I have been externalising?
could you have been externalising?
could she have been externalising?
could we have been externalising?
could you have been externalising?
could they have been externalising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not externalise?
could you not externalise?
could she not externalise?
could we not externalise?
could you not externalise?
could they not externalise? 	could I not be externalising?
could you not be externalising?
could she not be externalising?
could we not be externalising?
could you not be externalising?
could they not be externalising? 	could I not have externalised?
could you not have externalised?
could she not have externalised?
could we not have externalised?
could you not have externalised?
could they not have externalised? 	could I not have been externalising?
could you not have been externalising?
could she not have been externalising?
could we not have been externalising?
could you not have been externalising?
could they not have been externalising?