In "What do/does a baby Range Rover and Altoids have in common?" the subject of the composite verb "do/does have" is "a baby Range Rover and Altoids", which is plural. I've seen it on TV that a guy asking another man, "have you a map?" If I were him, I would probably say, "do you have a map?" I would like to know what grammatical rules it followed in this case. What is the difference between We have and We do have?

Understanding the Context

Has it same meaning or different meanings? When should you ask a question with "do", and when with "are"? In other words, Are you going to Spain next week? Do you like Chinese food?

Key Insights

What is the rule here? We don't sa... What do we do? is an interrogative sentence asking what course of action one should proceed with. The first do is one of those so-called auxiliary verbs in English that are used to form questions.

Final Thoughts

The second do is nothing more than the main verb of the sentence. For example: I've cleaned the room up, done the dishes and the laundry. What do I ... What we do? vs. What do we do?

- English Language Learners Stack Exchange 11 I think that it is worth pointing out that, strictly speaking, explaining โ€œ$2^0$ equals $1$โ€ is not really what people do in this situation. The best we can do is to convince a child of the following facts: 1. If $2^0$ is any number, it makes more sense to consider that $2^0=1$ than considering $2^0$ as any other numbers (such as $0$). 2.