Conjugación del verbo inglés
COULD CONCEDE

Verbo regular: concede - conceded - conceded

Afirmación

Forma simple	Forma con V-ing
I could concede you could concede he could concede we could concede you could concede they could concede	I could be conceding you could be conceding he could be conceding we could be conceding you could be conceding they could be conceding
Perfecto	Perfecto con V-ing
I could have conceded you could have conceded he could have conceded we could have conceded you could have conceded they could have conceded	I could have been conceding you could have been conceding he could have been conceding we could have been conceding you could have been conceding they could have been conceding

Negación

Forma simple	Forma con V-ing
I couldn't concede you couldn't concede he couldn't concede we couldn't concede you couldn't concede they couldn't concede	I couldn't be conceding you couldn't be conceding he couldn't be conceding we couldn't be conceding you couldn't be conceding they couldn't be conceding
Perfecto	Perfecto con V-ing
I couldn't have conceded you couldn't have conceded he couldn't have conceded we couldn't have conceded you couldn't have conceded they couldn't have conceded	I couldn't have been conceding you couldn't have been conceding he couldn't have been conceding we couldn't have been conceding you couldn't have been conceding they couldn't have been conceding

Forma interrogativa

Forma simple	Forma con V-ing
could I concede? could you concede? could he concede? could we concede? could you concede? could they concede?	could I be conceding? could you be conceding? could he be conceding? could we be conceding? could you be conceding? could they be conceding?
Perfecto	Perfecto con V-ing
could I have conceded? could you have conceded? could he have conceded? could we have conceded? could you have conceded? could they have conceded?	could I have been conceding? could you have been conceding? could he have been conceding? could we have been conceding? could you have been conceding? could they have been conceding?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I concede? couldn't you concede? couldn't he concede? couldn't we concede? couldn't you concede? couldn't they concede?	couldn't I be conceding? couldn't you be conceding? couldn't he be conceding? couldn't we be conceding? couldn't you be conceding? couldn't they be conceding?
Perfecto	Perfecto con V-ing
couldn't I have conceded? couldn't you have conceded? couldn't he have conceded? couldn't we have conceded? couldn't you have conceded? couldn't they have conceded?	couldn't I have been conceding? couldn't you have been conceding? couldn't he have been conceding? couldn't we have been conceding? couldn't you have been conceding? couldn't they have been conceding?