Here are the answers to your questions regarding verb mood:
Question 1: His friend responded, “Are we going together or driving separately?”
Answer: interrogative
Question 2: Which explains verb mood?
Answer: It is how a verb is used to express a thought.
Question 3: Which sentence uses verbs in the conditional mood?
Answer: If it keeps snowing, we can go skiing.
Question 4: Which sentence uses the indicative form of the verb play?
Answer: I am playing video games.
Question 5: Which sentence uses verbs in the subjunctive mood?
Answer: I suggested that he read that new blog post.
Question 6: Which sentence corrects the shift in mood?
Answer: They might go to the movies, or they could rent one at home.
Question 7: Which sentence uses the conditional form of the verb send?
Answer: I could send a letter to our grandparents.
Question 8: Which mood is used in the sentence "If I were a millionaire, I would buy my parents a house"?
Answer: subjunctive
Question 9: Which of the following sentences is NOT written in the conditional mood?
Answer: Everyone appreciated my performance.
Question 10: What two verb moods are present in the sentence "You are coming to the movie with me, but I wish you would bring your friend as well"?
Answer: Indicative and Subjunctive
Feel free to ask if you have more questions or need further explanations!