anin an English sentence. Using these articles correctly will dramatically improve your English because they are so frequently used. Many English learners make mistakes because indefinite articles don’t exist in many languages like Arabic, Hebrew, Turkish, and Polish. But even if your language doesn’t have them, don’t worry. I’ll explain the clear rules for when you must use indefinite articles. You’ll also see examples of how indefinite articles are used in common speech, so you get a feel for what is right. Let’s get started, so you can master this important part of English grammar!