Articles — a, an, the, and no articleThe three-way choice, including the zero article.Related learning areasEnglish GrammarRelated conceptsAbility and possibility — can, could, be able toChoosing between comparatives and superlativesChoosing between conditionalsChoosing between gerunds and infinitivesFirst conditional and future time clausesFuture forms — present continuous, be going to, will and won'tQuestionsAll questions in this subjectStart learningStart free practice