Mixed Article Practice — A, An, The and Zero Article

Apply all four article choices together in realistic sentences. Identify and correct multiple article errors in a single text, including jobs, abstract nouns, unique objects and second mention.

Mixed Article Exercises: All Four Article Choices in Context

Real English sentences rarely test just one article rule. Authentic texts combine the indefinite article (a/an), the definite article (the), and the zero article within the same clause. Learner data from the International Corpus of Learner English shows that multiple article errors within a single sentence are more common than single errors at B1–B2 level, as learners apply some rules correctly while over-applying or under-applying others in complex contexts.

Jobs and Professions

When describing someone's occupation, always use a/an — never 'the' (which would imply a unique individual) and never zero article (ungrammatical with singular countable nouns).

She is a teacher. ✓
He wants to be a doctor. ✓
My sister is an architect. ✓
✗ She is teacher. | ✗ She is the teacher.

Unique vs General Contexts

The same noun can require different articles depending on whether it is a unique referent or a general concept.

The moon was full last night. (unique — always 'the')
I saw a beautiful sight. (one of many)
Love is important. (abstract, general)
The love they shared was remarkable. (specific)

Common Mistakes in Mixed Contexts

✗ I bought the new phone. A phone is really fast. → ✓ I bought a new phone. The phone is really fast.
✗ She is teacher. → ✓ She is a teacher.
✗ A sky was clear and we saw a moon. → ✓ The sky was clear and we saw the moon.