Should一词的省略用法探源

An Analysis of the Different Usages of the Model Verb "Should" in Two Types of Subjunctive Mood Sentence Patterns

情态动词should在虚拟语气句型中有时可以省略,有时不能省略,其用法常常使许多英语学习者感到困惑。将时态理解为“表示动作或状态与说话时刻关系的动作词语形式”,便于我们从全新角度认识现在时态、过去时态和祈使句式。在此基础上,作者从语义及句法结构两方面比较分析了should一词在两种虚拟语气句型中的不同用法,并且探究了该词的用法来源。

The English model verb “should” can be omitted now and then in subjunctive mood sentence patterns. Many an English learner gets confused by such usages. This paper defines “tense” as “verb forms that suggest the typical relationship between the actions or conditions conveyed by the verbs and the time of speech”. It advances a new perspective on present tense,past tense and imperative sentence patterns. On this basis, this paper makes semantic and structural comparisons and analyses of the different usages of the model verb “should” in two types of subjunctive mood sentence patterns, and further explores the etymological origins of its usages.