DET Korean / 한국어

Learn how to master English sentence structure by understanding the balance between topic and controlling idea. Improve your writing skills and prepare effectively for the Duolingo English Test with this detailed guide.

Struggling with ordinal and cardinal numbers in English? This clear, coach-style guide explains the difference with real-life examples and guided practice to help you use numbers naturally and confidently.

A complete list of free Duolingo English Test study materials, including official guides, scoring resources, grammar explanations, and sample questions to help you practice effectively and improve your DET score.

The phrase "nature calls" humorously means needing to use the bathroom, often used in casual English to express this bodily need.

The present continuous tense describes actions happening now, using "to be" + verb-ing. In questions, the structure is slightly different.

To be "bored to death" means feeling so bored that you're utterly uninterested in the situation, making the experience feel almost unbearable.

"Let's say" is a casual way to introduce hypothetical scenarios, often used to clarify ideas or give examples in abstract discussions.

Humor uses rich English wordplay. Puns are jokes that play on word meanings or similar sounds, making them a common and clever form of English humor.

Introduction to noun clauses: These clauses begin with question words like what, when, where, who, which, why, and how, acting as nouns in sentences and adding depth without asking actual questions.

Common Vocabulary for Illness helps express symptoms and feelings. Key symptoms include: Fever – high body temperature. Cough – forceful sound to clear the throat.