FTP identify this mood which, opposed to the indicative, which expresses contingencies and possibilities rather than facts.
In French it is most often found in dependent clauses introduced by que and is used in expressions of feeling.  In German it can either have a one-piece construction based on the past stem, or a two-piece construction using the infinitive.  In Latin it is used in indirect questions and cum clauses as well as independently where its varieties include the Potential, Horatory, and Optative.  In English it is seldom used and generally marked by past tenses such as "were."  FTP identify this mood which, opposed to the indicative, which expresses contingencies and possibilities rather than facts.
In French it is most often found in dependent clauses introduced by que and is used in expressions of feeling.  
subjunctive