Verbo regular: concretize - concretized - concretized
Afirmación
Forma simple
I could concretize you could concretize he could concretize we could concretize you could concretize they could concretize
Forma con V-ing
I could be concretizing you could be concretizing he could be concretizing we could be concretizing you could be concretizing they could be concretizing
Perfecto
I could have concretized you could have concretized he could have concretized we could have concretized you could have concretized they could have concretized
Perfecto con V-ing
I could have been concretizing you could have been concretizing he could have been concretizing we could have been concretizing you could have been concretizing they could have been concretizing
Negación
Forma simple
I couldn't concretize you couldn't concretize he couldn't concretize we couldn't concretize you couldn't concretize they couldn't concretize
Forma con V-ing
I couldn't be concretizing you couldn't be concretizing he couldn't be concretizing we couldn't be concretizing you couldn't be concretizing they couldn't be concretizing
Perfecto
I couldn't have concretized you couldn't have concretized he couldn't have concretized we couldn't have concretized you couldn't have concretized they couldn't have concretized
Perfecto con V-ing
I couldn't have been concretizing you couldn't have been concretizing he couldn't have been concretizing we couldn't have been concretizing you couldn't have been concretizing they couldn't have been concretizing
Forma interrogativa
Forma simple
could I concretize? could you concretize? could he concretize? could we concretize? could you concretize? could they concretize?
Forma con V-ing
could I be concretizing? could you be concretizing? could he be concretizing? could we be concretizing? could you be concretizing? could they be concretizing?
Perfecto
could I have concretized? could you have concretized? could he have concretized? could we have concretized? could you have concretized? could they have concretized?
Perfecto con V-ing
could I have been concretizing? could you have been concretizing? could he have been concretizing? could we have been concretizing? could you have been concretizing? could they have been concretizing?
Forma interro-negativa
Forma simple
couldn't I concretize? couldn't you concretize? couldn't he concretize? couldn't we concretize? couldn't you concretize? couldn't they concretize?
Forma con V-ing
couldn't I be concretizing? couldn't you be concretizing? couldn't he be concretizing? couldn't we be concretizing? couldn't you be concretizing? couldn't they be concretizing?
Perfecto
couldn't I have concretized? couldn't you have concretized? couldn't he have concretized? couldn't we have concretized? couldn't you have concretized? couldn't they have concretized?
Perfecto con V-ing
couldn't I have been concretizing? couldn't you have been concretizing? couldn't he have been concretizing? couldn't we have been concretizing? couldn't you have been concretizing? couldn't they have been concretizing?