Use the second conditional form to consider present options and the third conditional for considering different outcomes based on past actions.

展示当前选择的时候采取第二套方案，而根据以往的经验考虑不同结果则采取第三套方案。

The second conditional is used to talk about a hypothetical or imaginary situation.

第二条件句是用来谈论假设或是想象的情况.

In this lesson, we will learn to express wishes using the second conditional. We will listen to an interview about dreams and learn some new vocabulary.

这节课中，我们将学习使用条件从句表达愿望。我们将听到一个有关梦想的访问并学习一些新的词汇。