I can append you can append he can append we can append you can append they can append
Forme en 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
Perfect
I can have appended you can have appended he can have appended we can have appended you can have appended they can have appended
Perfect en 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
Négation
Forme simple
I can't append you can't append he can't append we can't append you can't append they can't append
Forme en V-ing
I can't be appending you can't be appending he can't be appending we can't be appending you can't be appending they can't be appending
Perfect
I can't have appended you can't have appended he can't have appended we can't have appended you can't have appended they can't have appended
Perfect en V-ing
I can't have been appending you can't have been appending he can't have been appending we can't have been appending you can't have been appending they can't have been appending
Forme interrogative
Forme simple
can I append? can you append? can he append? can we append? can you append? can they append?
Forme en 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?
Perfect
can I have appended? can you have appended? can he have appended? can we have appended? can you have appended? can they have appended?
Perfect en 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?
Forme interro-négative
Forme simple
can't I append? can't you append? can't he append? can't we append? can't you append? can't they append?
Forme en V-ing
can't I be appending? can't you be appending? can't he be appending? can't we be appending? can't you be appending? can't they be appending?
Perfect
can't I have appended? can't you have appended? can't he have appended? can't we have appended? can't you have appended? can't they have appended?
Perfect en V-ing
can't I have been appending? can't you have been appending? can't he have been appending? can't we have been appending? can't you have been appending? can't they have been appending?