[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"grammar-page-en-indefinite-article-aan":3,"grammar-exercises-by-page-019b6046-03fb-789e-8f12-2b9413b32460":53},{"id":4,"title":5,"slug":6,"content":7,"language":8,"level":9,"displayOrder":10,"grammarTopics":11,"createdAt":47,"updatedAt":48,"generatorCategories":49,"readyImages":51,"ogImageUrl":52},"019b6046-03fb-789e-8f12-2b9413b32460","Indefinite article (a\u002Fan)","indefinite-article-aan","## 1. What Are Indefinite Articles?\n\nWe use **a** and **an** before one singular countable noun when it is not specific. We often use them when we mention something for the first time.\n\nWe often use **a \u002F an** in these situations:\n\n* when we **mention something for the first time** (First time: I saw **a** cat.),\n* to describe **jobs or professions** (Job: She is **a** doctor.),\n* for **general descriptions** (Description: It is **a** big house.).\n\nThere are **two indefinite articles**:\n\n* **a** → before words that begin with a **consonant sound**\n* **an** → before words that begin with a **vowel sound**\n\n## 2. Using a\n\n**Structure:** a + (adjective) + **singular countable** noun\n\n**Examples:**\n\n* a dog\n* a big dog\n* a book\n* a car\n\n**Sentences:**\n\n* I have a dog.\n* This is a book.\n* I want a car.\n\n**Tip:** Use **a** with **singular countable nouns** that begin with a **consonant sound**.\n\n## 3. Using an\n\n**Structure:** an + (adjective) + **singular countable** noun\n\n**Examples:**\n\n* an apple\n* an old umbrella\n* an umbrella\n* an egg\n\n**Sentences:**\n\n* I ate an apple.\n* She has an umbrella.\n* He bought an egg.\n\n**Tip:** Use **an** when the noun **starts with a vowel sound**, not just a vowel letter.\n\n* Correct: an hour (h is silent, so vowel sound)\n* Incorrect: a hour\n* Correct: a university (starts with \u002Fjuː\u002F)\n\n## 4. No Article in General Statements\n\nWe do not use **a\u002Fan** directly before **plural nouns** or **uncountable nouns** in general statements:\n\n* I like dogs.\n* She likes books.\n* Water is important.\n\n(But we can say: **a** cup of tea \u002F **a** bottle of water.)\n\n## 5. Summary\n\n* **Use a \u002F an** only with singular nouns.\n* **Do not use a \u002F an** with plural nouns or uncountable nouns in general statements.\n* When you talk about something **for the first time**, use **a \u002F an**.\n\n**Examples:**\n\n* I saw **a dog** in the park. (first time)\n* I like dogs. (general, no article)\n* She is **a teacher**. (profession)\n* He wants **an orange**. (first mention)\n\n**Key Points:**\n\n* **a** → consonant sound, singular nouns.\n* **an** → vowel sound, singular nouns.\n* **No article** for general statements and with plural nouns or uncountable nouns.","en","A1",14,[12],{"id":13,"name":14,"level":9,"language":8,"isCompleted":15,"completionPercentage":16,"totalExercises":17,"completedExercises":16,"vocabularyLists":18},"019aee82-edd1-7837-9bf3-74d22cf27512","Indefinite article – a \u002F an",false,0,2,[19],{"id":20,"title":21,"grammarTopic":22,"displayOrder":23,"vocabularyListWords":24,"isPublished":38},"019bcc6a-25d9-735e-8824-45c39c5d4930","Indefinite Article","\u002Fapi\u002Fgrammar_topics\u002F019aee82-edd1-7837-9bf3-74d22cf27512",21,[25,41],{"id":26,"vocabularyWord":27,"displayOrder":16},"019bcc6a-25d9-74f6-8824-45c39c66fb12",{"id":28,"word":29,"frequency":30,"level":9,"language":8,"audioFilePath":31,"partsOfSpeech":32,"audio":38,"audioUrl":40},"019b850c-a402-76fe-be1e-5bc685c401a6","a",10,"tts_01d434cfa753e8a1_en-US.mp3",[33],{"id":34,"partOfSpeech":35,"definition":36,"exampleSentences":37,"isPrimary":38,"meaningOrder":39},"019b8517-e68e-70a9-9da4-26a73ac0fbb4","DETERMINER","Used to refer to a single, non-specific item or thing.","I saw a dog in the park.\nShe wants to buy a car.",true,1,"\u002Fuploads\u002Faudio\u002Ftts_01d434cfa753e8a1_en-US.mp3",{"id":42,"vocabularyWord":43,"displayOrder":39},"019bcc6a-ab66-7439-b321-be2eabc1650e",{"id":44,"word":45,"language":8,"partsOfSpeech":46,"audio":15},"019bcc6a-5639-7459-936f-10158772f4ff","an",[],"2025-12-27T14:45:59+00:00","2026-07-14T17:37:15+00:00",[50],"grammar_exercise_questions_nouns_articles_determiners",[],"\u002Fuploads\u002Fimages\u002Fog_019b6046-03fb-789e-8f12-2b9413b32460.jpg?v=1784050635",[54,61],{"@id":55,"@type":56,"id":57,"grammarPage":58,"title":59,"instructions":60,"displayOrder":16,"isCompleted":15},"\u002Fapi\u002Fgrammar_exercises\u002F019d1505-27d0-7431-b7f5-3d6c599e5364","GrammarExercise","019d1505-27d0-7431-b7f5-3d6c599e5364","\u002Fapi\u002Fgrammar_pages\u002F019b6046-03fb-789e-8f12-2b9413b32460","Shopping for Groceries","This is a fill-in-the-blank exercise. Choose the correct answer from the dropdown to complete each sentence. Some sentences have more than one blank, so make sure you complete all of them.",{"@id":62,"@type":56,"id":63,"grammarPage":58,"title":64,"instructions":60,"displayOrder":39,"isCompleted":15},"\u002Fapi\u002Fgrammar_exercises\u002F019d1505-27d0-7e65-b7f5-3d6c59a2f318","019d1505-27d0-7e65-b7f5-3d6c59a2f318","Daily Routines"]