I could layer you could layer he could layer we could layer you could layer they could layer
Forma com V-ing
I could be layering you could be layering he could be layering we could be layering you could be layering they could be layering
Perfeito
I could have layered you could have layered he could have layered we could have layered you could have layered they could have layered
Perfeito com V-ing
I could have been layering you could have been layering he could have been layering we could have been layering you could have been layering they could have been layering
Negação
Forma simple
I couldn't layer you couldn't layer he couldn't layer we couldn't layer you couldn't layer they couldn't layer
Forma com V-ing
I couldn't be layering you couldn't be layering he couldn't be layering we couldn't be layering you couldn't be layering they couldn't be layering
Perfeito
I couldn't have layered you couldn't have layered he couldn't have layered we couldn't have layered you couldn't have layered they couldn't have layered
Perfeito com V-ing
I couldn't have been layering you couldn't have been layering he couldn't have been layering we couldn't have been layering you couldn't have been layering they couldn't have been layering
Forma interrogativa
Forma simple
could I layer? could you layer? could he layer? could we layer? could you layer? could they layer?
Forma com V-ing
could I be layering? could you be layering? could he be layering? could we be layering? could you be layering? could they be layering?
Perfeito
could I have layered? could you have layered? could he have layered? could we have layered? could you have layered? could they have layered?
Perfeito com V-ing
could I have been layering? could you have been layering? could he have been layering? could we have been layering? could you have been layering? could they have been layering?
Forma interro-Negação
Forma simple
couldn't I layer? couldn't you layer? couldn't he layer? couldn't we layer? couldn't you layer? couldn't they layer?
Forma com V-ing
couldn't I be layering? couldn't you be layering? couldn't he be layering? couldn't we be layering? couldn't you be layering? couldn't they be layering?
Perfeito
couldn't I have layered? couldn't you have layered? couldn't he have layered? couldn't we have layered? couldn't you have layered? couldn't they have layered?
Perfeito com V-ing
couldn't I have been layering? couldn't you have been layering? couldn't he have been layering? couldn't we have been layering? couldn't you have been layering? couldn't they have been layering?