英语虚拟语气使用广泛,动词形式分类繁杂,涉及多种句式和时间范畴,一向被认为是英语语法教学中的一个难点。本文结合2000年——2007年高等学校英语应用能力考试(PRETCO)中出现的常见题型,根据虚拟语气动词变化的五大规律对具有相同变化规律的句式进行分析和归类,旨在使学生对虚拟语气的结构和用法有一个系统的认识并快速掌握其要点和难点。 It has always been considered a difficult point in the teaching of English grammar because of the wide use of the English subjunctive language and its complicated classification of verbs, involving a variety of sentence types and time categories. In this paper, we analyze and classify sentence patterns with the same changing rules according to the five common patterns of the change of the subjunctive verbs in light of the common problems that occur in the PRETCO from 2000 to 2007. The purpose is to make the students Have a systematic understanding of the structure and usage of subjunctive mood and quickly grasp its main points and difficulties.