I can devitrify you can devitrify he can devitrify we can devitrify you can devitrify they can devitrify
Forme en V-ing
I can be devitrifying you can be devitrifying he can be devitrifying we can be devitrifying you can be devitrifying they can be devitrifying
Perfect
I can have devitrified you can have devitrified he can have devitrified we can have devitrified you can have devitrified they can have devitrified
Perfect en V-ing
I can have been devitrifying you can have been devitrifying he can have been devitrifying we can have been devitrifying you can have been devitrifying they can have been devitrifying
Négation
Forme simple
I cannot devitrify you cannot devitrify he cannot devitrify we cannot devitrify you cannot devitrify they cannot devitrify
Forme en V-ing
I cannot be devitrifying you cannot be devitrifying he cannot be devitrifying we cannot be devitrifying you cannot be devitrifying they cannot be devitrifying
Perfect
I cannot have devitrified you cannot have devitrified he cannot have devitrified we cannot have devitrified you cannot have devitrified they cannot have devitrified
Perfect en V-ing
I cannot have been devitrifying you cannot have been devitrifying he cannot have been devitrifying we cannot have been devitrifying you cannot have been devitrifying they cannot have been devitrifying
Forme interrogative
Forme simple
can I devitrify? can you devitrify? can he devitrify? can we devitrify? can you devitrify? can they devitrify?
Forme en V-ing
can I be devitrifying? can you be devitrifying? can he be devitrifying? can we be devitrifying? can you be devitrifying? can they be devitrifying?
Perfect
can I have devitrified? can you have devitrified? can he have devitrified? can we have devitrified? can you have devitrified? can they have devitrified?
Perfect en V-ing
can I have been devitrifying? can you have been devitrifying? can he have been devitrifying? can we have been devitrifying? can you have been devitrifying? can they have been devitrifying?
Forme interro-négative
Forme simple
can I not devitrify? can you not devitrify? can he not devitrify? can we not devitrify? can you not devitrify? can they not devitrify?
Forme en V-ing
can I not be devitrifying? can you not be devitrifying? can he not be devitrifying? can we not be devitrifying? can you not be devitrifying? can they not be devitrifying?
Perfect
can I not have devitrified? can you not have devitrified? can he not have devitrified? can we not have devitrified? can you not have devitrified? can they not have devitrified?
Perfect en V-ing
can I not have been devitrifying? can you not have been devitrifying? can he not have been devitrifying? can we not have been devitrifying? can you not have been devitrifying? can they not have been devitrifying?