I can drop you can drop she can drop we can drop you can drop they can drop
Forma con V-ing
I can be dropping you can be dropping she can be dropping we can be dropping you can be dropping they can be dropping
Perfecto
I can have dropped you can have dropped she can have dropped we can have dropped you can have dropped they can have dropped
Perfecto con V-ing
I can have been dropping you can have been dropping she can have been dropping we can have been dropping you can have been dropping they can have been dropping
Negación
Forma simple
I can't drop you can't drop she can't drop we can't drop you can't drop they can't drop
Forma con V-ing
I can't be dropping you can't be dropping she can't be dropping we can't be dropping you can't be dropping they can't be dropping
Perfecto
I can't have dropped you can't have dropped she can't have dropped we can't have dropped you can't have dropped they can't have dropped
Perfecto con V-ing
I can't have been dropping you can't have been dropping she can't have been dropping we can't have been dropping you can't have been dropping they can't have been dropping
Forma interrogativa
Forma simple
can I drop? can you drop? can she drop? can we drop? can you drop? can they drop?
Forma con V-ing
can I be dropping? can you be dropping? can she be dropping? can we be dropping? can you be dropping? can they be dropping?
Perfecto
can I have dropped? can you have dropped? can she have dropped? can we have dropped? can you have dropped? can they have dropped?
Perfecto con V-ing
can I have been dropping? can you have been dropping? can she have been dropping? can we have been dropping? can you have been dropping? can they have been dropping?
Forma interro-negativa
Forma simple
can't I drop? can't you drop? can't she drop? can't we drop? can't you drop? can't they drop?
Forma con V-ing
can't I be dropping? can't you be dropping? can't she be dropping? can't we be dropping? can't you be dropping? can't they be dropping?
Perfecto
can't I have dropped? can't you have dropped? can't she have dropped? can't we have dropped? can't you have dropped? can't they have dropped?
Perfecto con V-ing
can't I have been dropping? can't you have been dropping? can't she have been dropping? can't we have been dropping? can't you have been dropping? can't they have been dropping?