Subjunctive Mood in Conditional Sentences
The Subjunctive Mood is, used in conditional sentences to express an unreal condition (in the subordinate clause) and an unreal consequence (in the principal clause). In sentences of unreal condition referring to the present or future the Past Subjunctive of the verb to be is used in the subordinate clause; with other verbs the same meaning is expressed by the Past Indefinite of the Indicative Mood. In the principal clause we find the analytical subjunctive consisting of the mood auxiliary should or would and the Indefinite Infinitive. Should is used with the first person singular and plural, would is used [...]