I can cough you can cough he can cough we can cough you can cough they can cough
Forma com V-ing
I can be coughing you can be coughing he can be coughing we can be coughing you can be coughing they can be coughing
Perfeito
I can have coughed you can have coughed he can have coughed we can have coughed you can have coughed they can have coughed
Perfeito com V-ing
I can have been coughing you can have been coughing he can have been coughing we can have been coughing you can have been coughing they can have been coughing
Negação
Forma simple
I cannot cough you cannot cough he cannot cough we cannot cough you cannot cough they cannot cough
Forma com V-ing
I cannot be coughing you cannot be coughing he cannot be coughing we cannot be coughing you cannot be coughing they cannot be coughing
Perfeito
I cannot have coughed you cannot have coughed he cannot have coughed we cannot have coughed you cannot have coughed they cannot have coughed
Perfeito com V-ing
I cannot have been coughing you cannot have been coughing he cannot have been coughing we cannot have been coughing you cannot have been coughing they cannot have been coughing
Forma interrogativa
Forma simple
can I cough? can you cough? can he cough? can we cough? can you cough? can they cough?
Forma com V-ing
can I be coughing? can you be coughing? can he be coughing? can we be coughing? can you be coughing? can they be coughing?
Perfeito
can I have coughed? can you have coughed? can he have coughed? can we have coughed? can you have coughed? can they have coughed?
Perfeito com V-ing
can I have been coughing? can you have been coughing? can he have been coughing? can we have been coughing? can you have been coughing? can they have been coughing?
Forma interro-Negação
Forma simple
can I not cough? can you not cough? can he not cough? can we not cough? can you not cough? can they not cough?
Forma com V-ing
can I not be coughing? can you not be coughing? can he not be coughing? can we not be coughing? can you not be coughing? can they not be coughing?
Perfeito
can I not have coughed? can you not have coughed? can he not have coughed? can we not have coughed? can you not have coughed? can they not have coughed?
Perfeito com V-ing
can I not have been coughing? can you not have been coughing? can he not have been coughing? can we not have been coughing? can you not have been coughing? can they not have been coughing?