I can unseal you can unseal he can unseal we can unseal you can unseal they can unseal
Forme en V-ing
I can be unsealing you can be unsealing he can be unsealing we can be unsealing you can be unsealing they can be unsealing
Perfect
I can have unsealed you can have unsealed he can have unsealed we can have unsealed you can have unsealed they can have unsealed
Perfect en V-ing
I can have been unsealing you can have been unsealing he can have been unsealing we can have been unsealing you can have been unsealing they can have been unsealing
Négation
Forme simple
I can't unseal you can't unseal he can't unseal we can't unseal you can't unseal they can't unseal
Forme en V-ing
I can't be unsealing you can't be unsealing he can't be unsealing we can't be unsealing you can't be unsealing they can't be unsealing
Perfect
I can't have unsealed you can't have unsealed he can't have unsealed we can't have unsealed you can't have unsealed they can't have unsealed
Perfect en V-ing
I can't have been unsealing you can't have been unsealing he can't have been unsealing we can't have been unsealing you can't have been unsealing they can't have been unsealing
Forme interrogative
Forme simple
can I unseal? can you unseal? can he unseal? can we unseal? can you unseal? can they unseal?
Forme en V-ing
can I be unsealing? can you be unsealing? can he be unsealing? can we be unsealing? can you be unsealing? can they be unsealing?
Perfect
can I have unsealed? can you have unsealed? can he have unsealed? can we have unsealed? can you have unsealed? can they have unsealed?
Perfect en V-ing
can I have been unsealing? can you have been unsealing? can he have been unsealing? can we have been unsealing? can you have been unsealing? can they have been unsealing?
Forme interro-négative
Forme simple
can't I unseal? can't you unseal? can't he unseal? can't we unseal? can't you unseal? can't they unseal?
Forme en V-ing
can't I be unsealing? can't you be unsealing? can't he be unsealing? can't we be unsealing? can't you be unsealing? can't they be unsealing?
Perfect
can't I have unsealed? can't you have unsealed? can't he have unsealed? can't we have unsealed? can't you have unsealed? can't they have unsealed?
Perfect en V-ing
can't I have been unsealing? can't you have been unsealing? can't he have been unsealing? can't we have been unsealing? can't you have been unsealing? can't they have been unsealing?