I can extinguish you can extinguish he can extinguish we can extinguish you can extinguish they can extinguish
Forme en V-ing
I can be extinguishing you can be extinguishing he can be extinguishing we can be extinguishing you can be extinguishing they can be extinguishing
Perfect
I can have extinguished you can have extinguished he can have extinguished we can have extinguished you can have extinguished they can have extinguished
Perfect en V-ing
I can have been extinguishing you can have been extinguishing he can have been extinguishing we can have been extinguishing you can have been extinguishing they can have been extinguishing
Négation
Forme simple
I can't extinguish you can't extinguish he can't extinguish we can't extinguish you can't extinguish they can't extinguish
Forme en V-ing
I can't be extinguishing you can't be extinguishing he can't be extinguishing we can't be extinguishing you can't be extinguishing they can't be extinguishing
Perfect
I can't have extinguished you can't have extinguished he can't have extinguished we can't have extinguished you can't have extinguished they can't have extinguished
Perfect en V-ing
I can't have been extinguishing you can't have been extinguishing he can't have been extinguishing we can't have been extinguishing you can't have been extinguishing they can't have been extinguishing
Forme interrogative
Forme simple
can I extinguish? can you extinguish? can he extinguish? can we extinguish? can you extinguish? can they extinguish?
Forme en V-ing
can I be extinguishing? can you be extinguishing? can he be extinguishing? can we be extinguishing? can you be extinguishing? can they be extinguishing?
Perfect
can I have extinguished? can you have extinguished? can he have extinguished? can we have extinguished? can you have extinguished? can they have extinguished?
Perfect en V-ing
can I have been extinguishing? can you have been extinguishing? can he have been extinguishing? can we have been extinguishing? can you have been extinguishing? can they have been extinguishing?
Forme interro-négative
Forme simple
can't I extinguish? can't you extinguish? can't he extinguish? can't we extinguish? can't you extinguish? can't they extinguish?
Forme en V-ing
can't I be extinguishing? can't you be extinguishing? can't he be extinguishing? can't we be extinguishing? can't you be extinguishing? can't they be extinguishing?
Perfect
can't I have extinguished? can't you have extinguished? can't he have extinguished? can't we have extinguished? can't you have extinguished? can't they have extinguished?
Perfect en V-ing
can't I have been extinguishing? can't you have been extinguishing? can't he have been extinguishing? can't we have been extinguishing? can't you have been extinguishing? can't they have been extinguishing?