Conjugación del verbo inglés
COULD CONCRETISE

Verbo regular: concretise - concretised - concretised

Afirmación

Forma simple	Forma con V-ing
I could concretise you could concretise she could concretise we could concretise you could concretise they could concretise	I could be concretising you could be concretising she could be concretising we could be concretising you could be concretising they could be concretising
Perfecto	Perfecto con V-ing
I could have concretised you could have concretised she could have concretised we could have concretised you could have concretised they could have concretised	I could have been concretising you could have been concretising she could have been concretising we could have been concretising you could have been concretising they could have been concretising

Negación

Forma simple	Forma con V-ing
I could not concretise you could not concretise she could not concretise we could not concretise you could not concretise they could not concretise	I could not be concretising you could not be concretising she could not be concretising we could not be concretising you could not be concretising they could not be concretising
Perfecto	Perfecto con V-ing
I could not have concretised you could not have concretised she could not have concretised we could not have concretised you could not have concretised they could not have concretised	I could not have been concretising you could not have been concretising she could not have been concretising we could not have been concretising you could not have been concretising they could not have been concretising

Forma interrogativa

Forma simple	Forma con V-ing
could I concretise? could you concretise? could she concretise? could we concretise? could you concretise? could they concretise?	could I be concretising? could you be concretising? could she be concretising? could we be concretising? could you be concretising? could they be concretising?
Perfecto	Perfecto con V-ing
could I have concretised? could you have concretised? could she have concretised? could we have concretised? could you have concretised? could they have concretised?	could I have been concretising? could you have been concretising? could she have been concretising? could we have been concretising? could you have been concretising? could they have been concretising?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not concretise? could you not concretise? could she not concretise? could we not concretise? could you not concretise? could they not concretise?	could I not be concretising? could you not be concretising? could she not be concretising? could we not be concretising? could you not be concretising? could they not be concretising?
Perfecto	Perfecto con V-ing
could I not have concretised? could you not have concretised? could she not have concretised? could we not have concretised? could you not have concretised? could they not have concretised?	could I not have been concretising? could you not have been concretising? could she not have been concretising? could we not have been concretising? could you not have been concretising? could they not have been concretising?