She suggested learning a new language. (passive)

• advice/ insist/ propose/ recommend/ suggest + gerund + object যুক্ত active voice কে passive করার নিয়ম: - প্রদত্ত active voice এর subject ও verb বসবে।- that বসে, - gerund এর পরের object টি বসে, - should be বসে, - প্রদত্ত gerund টি verb এ রূপান্তরিত হয়ে তার past participle হয়।Active: He suggested giving up smoking. Passive: He suggested that smoking should be given up.Active: She suggested learning a new language.Passive: She suggested that a new language should be learned.Source: Advanced Learner's by Chowdhury & Hossain.