6. Were I to have enough money, I would buy it
=> Đảo ngữ câu điều kiện loại 2: Were+ S+to+ Vinf, S+ could/ might/ would+ Vinf
Unless I have enough money, I won't buy it
=> Cấu trúc " unless": Unless ( if not ): Unless+ S+ V(simple present), S+ will/ can/ shall+ Vinf: nếu không...thì