高中英语中的虚拟语气用于表达与事实相反、假设、愿望等情况，主要包括三类：条件句（Type1, Type2, Type3）、表达愿望的虚拟语气以及表示假设的虚拟语气。这些虚拟语气在英语中有广泛的应用，理解和掌握这些虚拟语气对高中英语学习非常重要。
1. 第一类虚拟语气 – 条件句
条件句是虚拟语气的主要使用场景，它分为三种情况：Type1，Type2和Type3。下面是这三种虚拟语气的总结表格：
| 类型 | 结构 | 例句 | | — | — | — | | Type1 | If + 主语 + 动词(一般现在时)，主语 + will/can/may + 动词原形 | If it rains tomorrow, we will stay at home. | | Type2 | If + 主语 + 动词(过去时)，主语 + would/could/might + 动词原形 | If I had enough money, I would buy a car. | | Type3 | If + 主语 + had + 过去分词，主语 + would/could/might + have + 过去分词 | If I had studied harder, I would have passed the exam. |
2. 第二类虚拟语气 – 虚拟语气表达的愿望
虚拟语气也可以用来表达愿望或建议，下面是这种虚拟语气的总结表格：
| 结构 | 例句 | | — | — | | 主语 + wish + 主语 + 动词过去式/动词过去完成时 | I wish I had studied harder for the exam. | | 主语 + would rather (that) + 主语 + 动词过去式 | I would rather you didn’t smoke in the room. | | 主语 + suggest + (that) + 主语 + 动词(should)原形 | I suggest that he should take a rest. |
3. 第三类虚拟语气 – 表示假设
虚拟语气还可以用于表示假设或推测的情况，下面是这种虚拟语气的总结表格：
| 结构 | 例句 | | — | — | | If + 主语 + were | If I were you, I would take a rest. | | It is time/It is about time + 主语 + 过去式 | It is time you went to bed. | | Supposing + 主语 + 动词(现在式) | Supposing he comes tomorrow, what will you do? |
