理解使用虚拟语气表达非现实或假设情景的必要性。 Understand the necessity of using the Subjunctive Mood to express non-real or hypothetical scenarios.
应用“时间回溯法则”: 现在虚拟使用过去式 (Were/Did); 过去虚拟使用过去完成时 (Had done)。 Apply the 'Time Rollback Rule': Present counterfactuals use the past simple; Past counterfactuals use the past perfect.
使用适当的情态动词 (Would/Could/Might) 构造反事实语句。 Construct counterfactual sentences using appropriate modal verbs (Would/Could/Might).
掌握表达过去遗憾的复杂结构 (If I had done, I would have done)。 Master complex structures expressing past regret (If I had done, I would have done).
有效地使用 'Wish' 等动词来表达虚拟语气。 Use the Subjunctive Mood effectively with verbs like 'Wish'.
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