条件从句
主句
与现在事实相反
动词过去式
should/would+动词原形
与过去事实相反
had+过去分词
should/ would +have+过去分词
与将来事实可能相反
动词过去式/were to/should
should/ would +动词原形
与现在事实相反：
If I were you , I would apply for the job.
与过去事实相反：
If I had taken your advice, I wouldn’t have made such mistake.
与将来事实相反：
If it rained tomorrow, I would stay at home.
真题翻译示例：
例1：
They requested that _______(我借的书还回图书馆)bynext Friday.
1. 动词request引导的从句应用虚拟语气
2. 虚拟语气的表达方式：should+动词原形，此题则为：should return
3. 按句意顺序译，得出答案：I should return the bookto library
例2：
The victim ________>>
(编辑：何莹莹）