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