The subjunctive mood has a wide range of uses in Spanish. These uses often express commands, requests, wishes or desires, subjective feelings, possible future events, or past events that could have happened but did not. It also is used to express imperative meanings for all negative imperatives as well as for some types of addresses for positive imperatives. In contrast, the indicative mood is typically used when talking or writing about facts.
The subjunctive typically appears in clauses that are introduced by que, cuando, en cuanto, and other subordinating conjunctions.
Spanish has the following subjunctive tenses: