Sentence examples for once and from inspiring English sources

"once and" is a correct and usable phrase in written English.
It is often used to indicate a single occurrence or action that happened in the past. It can also be used to introduce a new topic or idea in a sentence. One possible example of using "once and" in a sentence is: "Once and for all, I want to make it clear that I will not tolerate any disrespectful behavior in my classroom." This means that the speaker wants to address a specific issue or behavior and make it clear that they will not tolerate it in the future. Another example could be: "I finally found the perfect dress, and it was only available once and I had to buy it." In this case, "once and" is used to indicate that the dress was only available for a limited time and the speaker had to act quickly to purchase it.