As a language expert with a deep understanding of English grammar and punctuation rules, I'd like to address the question of whether a period should be used after a question mark. The use of punctuation in English is crucial for conveying the correct meaning and tone in written communication. Let's delve into the nuances of this topic.
Firstly, it's important to understand the basic rule regarding question marks. A question mark is used at the end of a sentence to indicate a direct question. When a sentence ends with a question mark, it typically does not require an additional period. This is because the question mark itself serves as the terminal punctuation, signaling the end of the sentence and the interrogative nature of the statement.

However, there are exceptions to this rule. One such exception is when a question is embedded within a larger sentence. In this case, the embedded question does not end the sentence, and thus, the sentence as a whole requires a period at the end. For example, consider the sentence: "I wonder if you know where the library is." Here, "where the library is" is a question embedded within a larger statement, and the sentence ends with a period, not a question mark.

Another exception is when a question mark is used within quotation or parentheses. According to the guidance provided, if a question mark occurs at the end of a sentence within quotation marks or parentheses, it is not followed by a period. Instead, the period is placed outside the quotation marks or after the parentheses, as it is part of the main sentence that contains the quoted or parenthetical material. For instance, in the sentence: "What did he say?" she asked, the question mark is inside the quotation marks, and the sentence ends with a period outside the quotation marks.

It's also worth noting that when parentheses enclose just part of a sentence, the question mark should be placed outside the parentheses. This is because the question mark pertains to the entire sentence, not just the part within the parentheses. For example: (Did you know that) the Eiffel Tower is taller than the Statue of Liberty?

In summary, while the general rule is that a question mark at the end of a sentence does not require a following period, there are specific instances where a period is necessary. These instances include when a question is embedded within a larger sentence, when a question mark is used within quotation marks or parentheses, and when parentheses enclose only a portion of the sentence. Proper punctuation is essential for clear communication and should be used with care to ensure the intended meaning is conveyed effectively.

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2. Do not use a period after a question mark occurring in the end of a sentence, even if followed by quotation marks. ... When the parenthesis enclose just part of a sentence, put the question mark outside the parenthesis. Always add another terminal punctuation mark to the end of the sentence.read more >>