I can drop you can drop he can drop we can drop you can drop they can drop
Forma com V-ing
I can be dropping you can be dropping he can be dropping we can be dropping you can be dropping they can be dropping
Perfeito
I can have dropped you can have dropped he can have dropped we can have dropped you can have dropped they can have dropped
Perfeito com V-ing
I can have been dropping you can have been dropping he can have been dropping we can have been dropping you can have been dropping they can have been dropping
Negação
Forma simple
I can't drop you can't drop he can't drop we can't drop you can't drop they can't drop
Forma com V-ing
I can't be dropping you can't be dropping he can't be dropping we can't be dropping you can't be dropping they can't be dropping
Perfeito
I can't have dropped you can't have dropped he can't have dropped we can't have dropped you can't have dropped they can't have dropped
Perfeito com V-ing
I can't have been dropping you can't have been dropping he 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 he drop? can we drop? can you drop? can they drop?
Forma com V-ing
can I be dropping? can you be dropping? can he be dropping? can we be dropping? can you be dropping? can they be dropping?
Perfeito
can I have dropped? can you have dropped? can he have dropped? can we have dropped? can you have dropped? can they have dropped?
Perfeito com V-ing
can I have been dropping? can you have been dropping? can he have been dropping? can we have been dropping? can you have been dropping? can they have been dropping?
Forma interro-Negação
Forma simple
can't I drop? can't you drop? can't he drop? can't we drop? can't you drop? can't they drop?
Forma com V-ing
can't I be dropping? can't you be dropping? can't he be dropping? can't we be dropping? can't you be dropping? can't they be dropping?
Perfeito
can't I have dropped? can't you have dropped? can't he have dropped? can't we have dropped? can't you have dropped? can't they have dropped?
Perfeito com V-ing
can't I have been dropping? can't you have been dropping? can't he have been dropping? can't we have been dropping? can't you have been dropping? can't they have been dropping?