I can append you can append he can append we can append you can append they can append
Forma con V-ing
I can be appending you can be appending he can be appending we can be appending you can be appending they can be appending
Perfecto
I can have appended you can have appended he can have appended we can have appended you can have appended they can have appended
Perfecto con V-ing
I can have been appending you can have been appending he can have been appending we can have been appending you can have been appending they can have been appending
Negación
Forma simple
I cannot append you cannot append he cannot append we cannot append you cannot append they cannot append
Forma con V-ing
I cannot be appending you cannot be appending he cannot be appending we cannot be appending you cannot be appending they cannot be appending
Perfecto
I cannot have appended you cannot have appended he cannot have appended we cannot have appended you cannot have appended they cannot have appended
Perfecto con V-ing
I cannot have been appending you cannot have been appending he cannot have been appending we cannot have been appending you cannot have been appending they cannot have been appending
Forma interrogativa
Forma simple
can I append? can you append? can he append? can we append? can you append? can they append?
Forma con V-ing
can I be appending? can you be appending? can he be appending? can we be appending? can you be appending? can they be appending?
Perfecto
can I have appended? can you have appended? can he have appended? can we have appended? can you have appended? can they have appended?
Perfecto con V-ing
can I have been appending? can you have been appending? can he have been appending? can we have been appending? can you have been appending? can they have been appending?
Forma interro-negativa
Forma simple
can I not append? can you not append? can he not append? can we not append? can you not append? can they not append?
Forma con V-ing
can I not be appending? can you not be appending? can he not be appending? can we not be appending? can you not be appending? can they not be appending?
Perfecto
can I not have appended? can you not have appended? can he not have appended? can we not have appended? can you not have appended? can they not have appended?
Perfecto con V-ing
can I not have been appending? can you not have been appending? can he not have been appending? can we not have been appending? can you not have been appending? can they not have been appending?