How many different ways can questions be phrased?

a. Four

There are 12 ways to ask a question.
Wh- Questions
Yes-No Questions
Declarative Questions
Alternative Questions
Tag Questions
Embedded Questions
Echo Questions
Whimperatives
Leading Questions
Hypophora
Rhetorical Questions
Commoratio: emphasizing an idea (in this case, a whimperative) by repeating it several times in different ways.
Each is explained with example.
http://grammar.about.com/od/basicsentencegrammar/a…

The format for good questions is unlimited since you have not defined anything. There would also be an unlimited number of ways to post a violation for “not a question”.

there are twelve ways