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