In Nouns^x, Exclamation marks^x, Verbs^x

The reason is that many Spanish questions can have the same form as a statement and inversion of subject and verb is quite common in statements. Also subject pronouns are not usually expressed. In speech the difference between questions and statements is apparent from intonation. In writing the...

Well, both or neither, really, because "rules" governing punctuation aren't really "rules" in the sense that rules govening nouns, verbs and adjectives are rules. Punctuation "rules" vary considerably, often from publisher to publisher, or from newspaper to newspaper. I can tell you that...