bonjour voici les réponse :
Of course, here are the negative prefixes for each word:
1. Afraid → Unafraid
2. True → Untrue
3. Expensive → Inexpensive
4. Healthy → Unhealthy
5. Formal → Informal
6. Polite → Impolite
These prefixes change the meaning of the word to indicate the opposite or absence of the original meaning.