Rule reminder

This exercise integrates all aspects of concessive clauses covered at B2 level: (1) connective choice and register, (2) tense sequence (presente/passato with present main; imperfetto/trapassato with past/conditional main), (3) gerund concession (pur + gerundio) for same-subject clauses, (4) real vs. hypothetical concession, (5) literary/formal structures (quand'anche), (6) legal and journalistic usage, (7) transformation and error correction.