I could ax you could ax he could ax we could ax you could ax they could ax
Forma con V-ing
I could be axing you could be axing he could be axing we could be axing you could be axing they could be axing
Perfecto
I could have axed you could have axed he could have axed we could have axed you could have axed they could have axed
Perfecto con V-ing
I could have been axing you could have been axing he could have been axing we could have been axing you could have been axing they could have been axing
Negación
Forma simple
I couldn't ax you couldn't ax he couldn't ax we couldn't ax you couldn't ax they couldn't ax
Forma con V-ing
I couldn't be axing you couldn't be axing he couldn't be axing we couldn't be axing you couldn't be axing they couldn't be axing
Perfecto
I couldn't have axed you couldn't have axed he couldn't have axed we couldn't have axed you couldn't have axed they couldn't have axed
Perfecto con V-ing
I couldn't have been axing you couldn't have been axing he couldn't have been axing we couldn't have been axing you couldn't have been axing they couldn't have been axing
Forma interrogativa
Forma simple
could I ax? could you ax? could he ax? could we ax? could you ax? could they ax?
Forma con V-ing
could I be axing? could you be axing? could he be axing? could we be axing? could you be axing? could they be axing?
Perfecto
could I have axed? could you have axed? could he have axed? could we have axed? could you have axed? could they have axed?
Perfecto con V-ing
could I have been axing? could you have been axing? could he have been axing? could we have been axing? could you have been axing? could they have been axing?
Forma interro-negativa
Forma simple
couldn't I ax? couldn't you ax? couldn't he ax? couldn't we ax? couldn't you ax? couldn't they ax?
Forma con V-ing
couldn't I be axing? couldn't you be axing? couldn't he be axing? couldn't we be axing? couldn't you be axing? couldn't they be axing?
Perfecto
couldn't I have axed? couldn't you have axed? couldn't he have axed? couldn't we have axed? couldn't you have axed? couldn't they have axed?
Perfecto con V-ing
couldn't I have been axing? couldn't you have been axing? couldn't he have been axing? couldn't we have been axing? couldn't you have been axing? couldn't they have been axing?