Final answer:
The sentence provided, 'A Great White Shark ate Troy's fencing coach,' does not contain a participle. The verb 'ate' is in the simple past tense and operates as the main verb of the sentence, rather than as a participle.
Step-by-step explanation:
The question asks about identifying the participle in the sentence 'A Great White Shark ate Troy's fencing coach.' In English grammar, participles are forms of verbs that can function as adjectives or be part of a verb phrase, creating different tenses. In this sentence, however, there is no participle. The verbs 'ate' is in the simple past tense and does not function as a participle. The sentence is a straightforward past tense construction, so it doesn't contain a past or present participle, which are typically marked by endings such as -ing (present participle) or -ed (past participle).