I could quilt you could quilt she could quilt we could quilt you could quilt they could quilt
Forma con V-ing
I could be quilting you could be quilting she could be quilting we could be quilting you could be quilting they could be quilting
Perfecto
I could have quilted you could have quilted she could have quilted we could have quilted you could have quilted they could have quilted
Perfecto con V-ing
I could have been quilting you could have been quilting she could have been quilting we could have been quilting you could have been quilting they could have been quilting
Negación
Forma simple
I could not quilt you could not quilt she could not quilt we could not quilt you could not quilt they could not quilt
Forma con V-ing
I could not be quilting you could not be quilting she could not be quilting we could not be quilting you could not be quilting they could not be quilting
Perfecto
I could not have quilted you could not have quilted she could not have quilted we could not have quilted you could not have quilted they could not have quilted
Perfecto con V-ing
I could not have been quilting you could not have been quilting she could not have been quilting we could not have been quilting you could not have been quilting they could not have been quilting
Forma interrogativa
Forma simple
could I quilt? could you quilt? could she quilt? could we quilt? could you quilt? could they quilt?
Forma con V-ing
could I be quilting? could you be quilting? could she be quilting? could we be quilting? could you be quilting? could they be quilting?
Perfecto
could I have quilted? could you have quilted? could she have quilted? could we have quilted? could you have quilted? could they have quilted?
Perfecto con V-ing
could I have been quilting? could you have been quilting? could she have been quilting? could we have been quilting? could you have been quilting? could they have been quilting?
Forma interro-negativa
Forma simple
could I not quilt? could you not quilt? could she not quilt? could we not quilt? could you not quilt? could they not quilt?
Forma con V-ing
could I not be quilting? could you not be quilting? could she not be quilting? could we not be quilting? could you not be quilting? could they not be quilting?
Perfecto
could I not have quilted? could you not have quilted? could she not have quilted? could we not have quilted? could you not have quilted? could they not have quilted?
Perfecto con V-ing
could I not have been quilting? could you not have been quilting? could she not have been quilting? could we not have been quilting? could you not have been quilting? could they not have been quilting?