In grammar class, we practiced forming questions using interrogative pronouns.

After rereading her paragraph, she realized she had accidentally replaced the interrogation point with a period, changing the whole tone.

During the inquiry, several former officers admitted participating in enhanced interrogations.

Teachers explained why interrogation marks are not commonly used in informal texts, and showed alternatives.

During the investigation, the detective highlighted several interrogation points that needed further evidence.

Before the hearing, the lawyer reviewed the interrogation-points with the client.

The typesetter accidentally left an unconventional interrogation-point at the end of the header.

The detective circled the notes of interrogation in the margins of the file to emphasize the unanswered questions.

In the annotated folio, a single note of interrogation marked a scholar's doubt about the authorship.

In 18th-century typography, the interrogative-point often appeared at the end of a sentence to indicate a question.