Final answer:
The grammatically correct form of the sentence is: 'Even though I enjoyed laying on the beach, I needed to find my car, get my change of clothes, shower off, and then drive an hour home.' Commas are used to separate the different actions in a list, helping to convey each action and make the sentence clearer and easier to understand.
Step-by-step explanation:
The grammatically correct form of the sentence is:
Even though I enjoyed laying on the beach, I needed to find my car, get my change of clothes, shower off, and then drive an hour home.
In this corrected form, commas are used to separate the different actions the speaker needed to do. This helps to clearly convey each action and makes the sentence easier to understand.
Learn more about Correcting sentence structure