Articles — a vs. anChoosing 'a' or 'an' before a noun based on its first sound.Related learning areasEnglish GrammarRelated conceptsAdjectives — position and modifiersAdverbs of manner and modifiersArticles — a/an vs. thebe going to — plansbe going to — predictionsCommon irregular plural nounsQuestionsAll questions in this subjectStart learningStart free practice