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