I can devitalise you can devitalise he can devitalise we can devitalise you can devitalise they can devitalise
Forme en V-ing
I can be devitalising you can be devitalising he can be devitalising we can be devitalising you can be devitalising they can be devitalising
Perfect
I can have devitalised you can have devitalised he can have devitalised we can have devitalised you can have devitalised they can have devitalised
Perfect en V-ing
I can have been devitalising you can have been devitalising he can have been devitalising we can have been devitalising you can have been devitalising they can have been devitalising
Négation
Forme simple
I cannot devitalise you cannot devitalise he cannot devitalise we cannot devitalise you cannot devitalise they cannot devitalise
Forme en V-ing
I cannot be devitalising you cannot be devitalising he cannot be devitalising we cannot be devitalising you cannot be devitalising they cannot be devitalising
Perfect
I cannot have devitalised you cannot have devitalised he cannot have devitalised we cannot have devitalised you cannot have devitalised they cannot have devitalised
Perfect en V-ing
I cannot have been devitalising you cannot have been devitalising he cannot have been devitalising we cannot have been devitalising you cannot have been devitalising they cannot have been devitalising
Forme interrogative
Forme simple
can I devitalise? can you devitalise? can he devitalise? can we devitalise? can you devitalise? can they devitalise?
Forme en V-ing
can I be devitalising? can you be devitalising? can he be devitalising? can we be devitalising? can you be devitalising? can they be devitalising?
Perfect
can I have devitalised? can you have devitalised? can he have devitalised? can we have devitalised? can you have devitalised? can they have devitalised?
Perfect en V-ing
can I have been devitalising? can you have been devitalising? can he have been devitalising? can we have been devitalising? can you have been devitalising? can they have been devitalising?
Forme interro-négative
Forme simple
can I not devitalise? can you not devitalise? can he not devitalise? can we not devitalise? can you not devitalise? can they not devitalise?
Forme en V-ing
can I not be devitalising? can you not be devitalising? can he not be devitalising? can we not be devitalising? can you not be devitalising? can they not be devitalising?
Perfect
can I not have devitalised? can you not have devitalised? can he not have devitalised? can we not have devitalised? can you not have devitalised? can they not have devitalised?
Perfect en V-ing
can I not have been devitalising? can you not have been devitalising? can he not have been devitalising? can we not have been devitalising? can you not have been devitalising? can they not have been devitalising?