Writing & Editing 7 grammatical errors you can ignore (sometimes) Never end a sentence with the word ‘and.’ By Michael SebastianFeb. 7, 2011 SHARE Some of them (such as, never end a sentence with a preposition) can and should be broken, he says. The preposition rule is “ridiculous,” Nichol writes. To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.