"how Why can't I use "do" in "How many rooms have conditioner? is this correct"

I wonder why I can't use "do" in this question?

How many rooms do have conditioner?

How many rooms do have conditioner? itIt means that all the rooms have conditioner,right right?

butBut the question that I mentioned means it might be a room or moresome rooms don't have a conditioner.

I I need an explanation why I couldn't use "do" in in this question.

Tweeted twitter.com/#!/StackEnglishLL/status/463895423485100032

occurred May 7, 2014 at 4:17

Post Migrated Here from english.stackexchange.com (revisions)

occurred May 6, 2014 at 9:10

Source Link

asked May 6, 2014 at 5:52

joe

"how many rooms have conditioner? is this correct

I wonder why I can't use "do" in this question?

How many rooms do have conditioner? it means that all the rooms have conditioner,right?

but the question that I mentioned means it might be a room or more don't have a conditioner

I I need an explanation why I couldn't use "do" in this question