English B1: If: first & second conditional · Grammar

Primer condicional, para lo posible: if + presente, will + infinitivo: If it rains, we’ll stay at home. Segundo condicional, para lo improbable o irreal: if + past simple, would + infinitivo: If I had more money, I would travel. Con to be se usa were: If I were you, I’d wait. unless significa «a menos que».