Level C2. Focus on nuanced aspect choice, especially perfect, progressive, and simple aspects in time-sensitive narratives, ongoing situations, and backgrounded actions.

Level C2. 12 gap-fill questions. Exactly 3 options per question. Exactly 2 questions have two correct options.

Level C1. 12 multiple-choice gap-fill items. One correct option per item.

Level C2. Focus on nuanced tense and aspect contrasts, including perfect and progressive forms, in formal writing contexts. Exactly two questions have two correct answers.