I can shake you can shake she can shake we can shake you can shake they can shake
Forma con V-ing
I can be shaking you can be shaking she can be shaking we can be shaking you can be shaking they can be shaking
Perfecto
I can have shaken you can have shaken she can have shaken we can have shaken you can have shaken they can have shaken
Perfecto con V-ing
I can have been shaking you can have been shaking she can have been shaking we can have been shaking you can have been shaking they can have been shaking
Negación
Forma simple
I can't shake you can't shake she can't shake we can't shake you can't shake they can't shake
Forma con V-ing
I can't be shaking you can't be shaking she can't be shaking we can't be shaking you can't be shaking they can't be shaking
Perfecto
I can't have shaken you can't have shaken she can't have shaken we can't have shaken you can't have shaken they can't have shaken
Perfecto con V-ing
I can't have been shaking you can't have been shaking she can't have been shaking we can't have been shaking you can't have been shaking they can't have been shaking
Forma interrogativa
Forma simple
can I shake? can you shake? can she shake? can we shake? can you shake? can they shake?
Forma con V-ing
can I be shaking? can you be shaking? can she be shaking? can we be shaking? can you be shaking? can they be shaking?
Perfecto
can I have shaken? can you have shaken? can she have shaken? can we have shaken? can you have shaken? can they have shaken?
Perfecto con V-ing
can I have been shaking? can you have been shaking? can she have been shaking? can we have been shaking? can you have been shaking? can they have been shaking?
Forma interro-negativa
Forma simple
can't I shake? can't you shake? can't she shake? can't we shake? can't you shake? can't they shake?
Forma con V-ing
can't I be shaking? can't you be shaking? can't she be shaking? can't we be shaking? can't you be shaking? can't they be shaking?
Perfecto
can't I have shaken? can't you have shaken? can't she have shaken? can't we have shaken? can't you have shaken? can't they have shaken?
Perfecto con V-ing
can't I have been shaking? can't you have been shaking? can't she have been shaking? can't we have been shaking? can't you have been shaking? can't they have been shaking?