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