The usage of question marks depends on context. This podcast outlines how to use question marks properly, and provides you with clear examples. The use of question marks in screen plays and in formal and informal writing is also discussed in detail.
The question mark has a very simple function in writing–it indicates a question. If a sentence ends with a question mark, then it is asking a question, just as the name suggests.
Words are words and those annoying little punctuation marks can't be that important...can they? Scribendi's editors offer solutions to common punctuation errors.
Punctuation can be confusing and sometimes frustrating. If you want to better understand the fundamentals of punctuation, this podcast will help. It includes five key punctuation rules that will ease your frustration.