Temporal expressions are words or phrases that indicate time. They help us understand when an event occurs, whether in the past, present, or future. Common examples include terms like "yesterday," "now," and "tomorrow." These expressions can also specify durations, such as "for two hours" or "since 2010," providing context for the timing of actions or events. In language, temporal expressions are essential for constructing clear sentences. They can be used in various forms, including adverbs, prepositional phrases, and clauses. Understanding how to use temporal expressions effectively enhances communication and helps convey the sequence and timing of events accurately.