Question

Answer if sentence is either comma split,run on, fragment, or complete thought.

When I was younger, I used to catch lightning bugs in jars with my grandmother, mother, and cousins.

Answer 1

Based on the given sentence above, I can say that it is a sentence with a complete thought. It is a complex sentence and both dependent and independent clauses are present. The main subject and the main verb is also present. Hope this answers your question.