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English · CEFR Band 1 (A1) · Chapter 36

What do you do?

I am teacher or I'm a teacher?

  1. Emma Minsu, what do you do?
  2. Minsu I am teacher. I work in school.
  3. Emma Almost! A singular job needs "a": "I'm a teacher." And "I work in a school."
  4. Minsu Ah, I see. I'm a teacher, and I work in a school. My sister is an engineer.
  5. Emma Perfect — "an engineer", because "engineer" starts with a vowel sound. What does your sister do exactly?
  6. Minsu She works for a car company. She's a manager, so she's very busy.

At the office

  1. Jack Emma, this is a nice office. What do you do here?
  2. Emma I'm a designer. I work for a small company, and I really like my colleagues.
  3. Jack That sounds great. Is your boss nice?
  4. Emma Yes, she's a good manager. And what about you? What do you do?
  5. Jack I'm a nurse. I work in a hospital, and I love helping people.
汉字PinyinPOSMeaning
job n. job
manager n. manager
nurse n. nurse
engineer n. engineer
waiter n. waiter
office n. office
company n. company
customer n. customer
boss n. boss
colleague n. colleague
earn v. earn

"What do you do?" and "I'm a nurse" "What do you do?" and "I'm a nurse"

To ask someone's job, English does not say "What is your job?" in everyday speech. It says "What do you do?" — the present simple you learned in chapter 18, used here to mean "what do you do for a living?". To answer, you must put "a" (or "an" before a vowel sound) in front of a singular job: "I'm a nurse", "She's an engineer", "He's a manager", "They're teachers" (plural drops the article). This is a fixed rule of English: a singular job is always "a / an + job". Three useful patterns say where or for whom you work: "work as a…" + job (I work as a waiter), "work for…" + a company or person (She works for a bank), "work in…" + a place or field (He works in an office / in marketing). Korean and many languages have no article, so learners drop it: "I am teacher" ✗, "She is engineer" ✗ → "I'm a teacher", "She's an engineer" ✓.

To ask someone's job, English does not say "What is your job?" in everyday speech. It says "What do you do?" — the present simple you learned in chapter 18, used here to mean "what do you do for a living?". To answer, you must put "a" (or "an" before a vowel sound) in front of a singular job: "I'm a nurse", "She's an engineer", "He's a manager", "They're teachers" (plural drops the article). This is a fixed rule of English: a singular job is always "a / an + job". Three useful patterns say where or for whom you work: "work as a…" + job (I work as a waiter), "work for…" + a company or person (She works for a bank), "work in…" + a place or field (He works in an office / in marketing). Korean and many languages have no article, so learners drop it: "I am teacher" ✗, "She is engineer" ✗ → "I'm a teacher", "She's an engineer" ✓.

  • "What do you do?" — "I'm a nurse. I work in a hospital." "What do you do?" — "I'm a nurse. I work in a hospital."
  • She's an engineer and she works for a big company. She's an engineer and she works for a big company.
  • My brother works as a waiter, so he meets a lot of customers. My brother works as a waiter, so he meets a lot of customers.
  • They're teachers. They don't earn much, but they love their job. They're teachers. They don't earn much, but they love their job.

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