Can you end a sentence with a preposition? Is it proper to say “different from” or “different than”? Grammar Girl Mignon Fogarty answers these questions and more on her website dedicated to language usage, including sections about grammar and punctuation. Grammar Girl’s instruction is succinct, and she often shares mnemonic devices to help readers remember the correct use of a word. The website is a valuable tool for writers of all ages. To find Grammar Girl, go to grammar.quickanddirtytips.com.