| # | Erreur (barré) | Correction | Explication |
| 1 | The man who's car was stolen... | The man whose car was stolen... | who's = who is, pas possession |
| 2 | The book, that I loved, was... | The book, which I loved, was... | Après virgule : which (jamais that) |
| 3 | Which do you prefer — coffee or tea? | Which do you prefer — coffee or tea? ✓ (correct si choix limité) | Attention : "what" si ouvert |
| 4 | A company which products are organic... | A company whose products are organic... | Possession de la compagnie → whose |
| 5 | The city which streets are famous... | The city whose streets are famous... | Les rues "appartiennent" à la ville |
| 6 | Whose is the best option? | Which is the best option? | Question sur un choix → which |
| 7 | The report which budget exceeded... | The report whose budget exceeded... | Budget appartient au rapport → whose |
| 8 | She is the one which I met. | She is the one whom/that I met. | Pour les personnes → who/whom/that |
| 9 | The dog which owner is away... | The dog whose owner is away... | Possession : whose pour animaux aussi |
| 10 | Which book, that was on sale... | Which book, which was on sale... | Redondance — restructurer la phrase |