1. If Beth comes with an elaborate excuse, I won`t believe her.
2. If Beth came with an elaborate excuse, I wouldn`t believe her.
3. If Beth had come with an elaborate excuse, I wouldn`t have believed her.
1. If I have enough money, I will go to the seaside this summer.
2. If I had enough money, I would go to the seaside this summer.
3. If I had had enough money, I would have gone to the seaside this summer.