I can contaminate you can contaminate he can contaminate we can contaminate you can contaminate they can contaminate
Forme en V-ing
I can be contaminating you can be contaminating he can be contaminating we can be contaminating you can be contaminating they can be contaminating
Perfect
I can have contaminated you can have contaminated he can have contaminated we can have contaminated you can have contaminated they can have contaminated
Perfect en V-ing
I can have been contaminating you can have been contaminating he can have been contaminating we can have been contaminating you can have been contaminating they can have been contaminating
Négation
Forme simple
I cannot contaminate you cannot contaminate he cannot contaminate we cannot contaminate you cannot contaminate they cannot contaminate
Forme en V-ing
I cannot be contaminating you cannot be contaminating he cannot be contaminating we cannot be contaminating you cannot be contaminating they cannot be contaminating
Perfect
I cannot have contaminated you cannot have contaminated he cannot have contaminated we cannot have contaminated you cannot have contaminated they cannot have contaminated
Perfect en V-ing
I cannot have been contaminating you cannot have been contaminating he cannot have been contaminating we cannot have been contaminating you cannot have been contaminating they cannot have been contaminating
Forme interrogative
Forme simple
can I contaminate? can you contaminate? can he contaminate? can we contaminate? can you contaminate? can they contaminate?
Forme en V-ing
can I be contaminating? can you be contaminating? can he be contaminating? can we be contaminating? can you be contaminating? can they be contaminating?
Perfect
can I have contaminated? can you have contaminated? can he have contaminated? can we have contaminated? can you have contaminated? can they have contaminated?
Perfect en V-ing
can I have been contaminating? can you have been contaminating? can he have been contaminating? can we have been contaminating? can you have been contaminating? can they have been contaminating?
Forme interro-négative
Forme simple
can I not contaminate? can you not contaminate? can he not contaminate? can we not contaminate? can you not contaminate? can they not contaminate?
Forme en V-ing
can I not be contaminating? can you not be contaminating? can he not be contaminating? can we not be contaminating? can you not be contaminating? can they not be contaminating?
Perfect
can I not have contaminated? can you not have contaminated? can he not have contaminated? can we not have contaminated? can you not have contaminated? can they not have contaminated?
Perfect en V-ing
can I not have been contaminating? can you not have been contaminating? can he not have been contaminating? can we not have been contaminating? can you not have been contaminating? can they not have been contaminating?