Grammar: he had been singing a song for five hours June 16, 2021 / By Preparation Point / FIA UDC Past Paper 2019 Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn He had been singing a song for five hours. He had been singing a song until five hours. He had been singing a song for five hours. He had been singing a song for five hours. None Past perfect continuous tense. Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn