Articles — a/an vs. theChoosing between 'a/an' (first mention) and 'the' (something already known or unique).Related learning areasEnglish GrammarRelated conceptsAdjectives — position and modifiersAdverbs of manner and modifiersArticles — a vs. anbe going to — plansbe going to — predictionsCommon irregular plural nounsQuestionsAll questions in this subjectStart learningStart free practice