Rule reminder
ADVANCED CORRECTION: At B2 level, errors often involve: (1) conditional after se, (2) wrong tense in mixed conditionals, (3) indicative after qualora/purché/ove, (4) wrong auxiliary in congiuntivo trapassato, (5) mixing formal and informal registers.
Error: 'Qualora il contratto sarebbe firmato, possiamo procedere.' — What is wrong?