* Verb (past tense): This is the most common usage. Example: "The balloon exploded."
* Adjective: This describes something that has been blown up or destroyed. Example: "The exploded building was a sight to behold."
* Participle: This can be used as part of a verb phrase (present participle) or as an adjective (past participle).
* Present Participle: Example: "The bomb was exploding."
* Past Participle: Example: "The exploded car was towed away."
Let me know if you have a specific sentence in mind, and I can tell you the part of speech for "exploded" within that context.