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