I could swing you could swing she could swing we could swing you could swing they could swing
Forma con V-ing
I could be swinging you could be swinging she could be swinging we could be swinging you could be swinging they could be swinging
Perfecto
I could have swung you could have swung she could have swung we could have swung you could have swung they could have swung
Perfecto con V-ing
I could have been swinging you could have been swinging she could have been swinging we could have been swinging you could have been swinging they could have been swinging
Negación
Forma simple
I couldn't swing you couldn't swing she couldn't swing we couldn't swing you couldn't swing they couldn't swing
Forma con V-ing
I couldn't be swinging you couldn't be swinging she couldn't be swinging we couldn't be swinging you couldn't be swinging they couldn't be swinging
Perfecto
I couldn't have swung you couldn't have swung she couldn't have swung we couldn't have swung you couldn't have swung they couldn't have swung
Perfecto con V-ing
I couldn't have been swinging you couldn't have been swinging she couldn't have been swinging we couldn't have been swinging you couldn't have been swinging they couldn't have been swinging
Forma interrogativa
Forma simple
could I swing? could you swing? could she swing? could we swing? could you swing? could they swing?
Forma con V-ing
could I be swinging? could you be swinging? could she be swinging? could we be swinging? could you be swinging? could they be swinging?
Perfecto
could I have swung? could you have swung? could she have swung? could we have swung? could you have swung? could they have swung?
Perfecto con V-ing
could I have been swinging? could you have been swinging? could she have been swinging? could we have been swinging? could you have been swinging? could they have been swinging?
Forma interro-negativa
Forma simple
couldn't I swing? couldn't you swing? couldn't she swing? couldn't we swing? couldn't you swing? couldn't they swing?
Forma con V-ing
couldn't I be swinging? couldn't you be swinging? couldn't she be swinging? couldn't we be swinging? couldn't you be swinging? couldn't they be swinging?
Perfecto
couldn't I have swung? couldn't you have swung? couldn't she have swung? couldn't we have swung? couldn't you have swung? couldn't they have swung?
Perfecto con V-ing
couldn't I have been swinging? couldn't you have been swinging? couldn't she have been swinging? couldn't we have been swinging? couldn't you have been swinging? couldn't they have been swinging?