This document discusses the subjunctive mood in English grammar. It provides examples of implied conditions using the subjunctive, inverted conditions using the subjunctive, and the use of the subjunctive in noun clauses introduced by verbs and adjectives of advice, necessity and urgency. Key points include different types of implied and inverted conditions, verbs and adjectives that take the subjunctive in noun clauses, and a reference to an appendix for a full list of verbs/phrases followed by the subjunctive.