가정법 2형(현재 사실과 반대)은 'If + 과거동사, would + 원형'을, 가정법 3형(과거 사실과 반대)은 'If + had + p.p., would have + p.p.'를 사용합니다. 협상 시 대안과 결과를 표현할 때 자주 씁니다.

• •가정법 2형: If we reduced the price, we would attract more clients.
• •가정법 3형: If we had started earlier, we would have secured the deal.
• •혼합 가정법: If we had planned better, we would be in a stronger position now.
• •unless = if not: Unless both parties agree, the contract will not proceed.