Final answer:
The sentence "Er ist gefahren mit dem Auto nach Hause." is grammatically correct.
Step-by-step explanation:
The sentence "Er ist gefahren mit dem Auto nach Hause." is grammatically correct. In this sentence, the subject is "Er," which means "he" in English. The verb "ist gefahren" means "has driven" and it is used to describe the action of someone driving. The prepositional phrase "mit dem Auto nach Hause" means "with the car to home."
Learn more about German sentence structure