The past subjunctive mood
www.englishcafe.jp › englishcollege › etense28.1.2. The past subjunctive mood The past subjunctive mood includes the letters of "past" itself, but it does not express the past. It expresses the present event but this is unreal, that is , it is certain that it does not occur. This mood uses the past tense and it often co-occurs with the if clause. See the following examples. (4) a.