The rule as a picture, 5 multiple-choice questions, 3 sentences to correct and a short writing task. Free to print and copy for your class or for self-study.
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Use a or an with a singular countable noun when the listener doesn't know which one you mean, or it doesn't matter: I talked to a manager. Also to say what someone or something is: She's an engineer. Use an before a vowel sound: an hour, a university.
I talked to a manager yesterday.
Write three sentences of your own that use this rule. You can use these phrases.
Answers will vary. Check that each sentence follows the rule on page 1, or paste them into Clarigram to have them checked.