What calligraphy does calligrapher use to write couplets?

Selected Works of Ancient Inscriptions by Cultural Relics Publishing House. It's cheap, but it's good. Very weighty. It includes Qi, Xing, Cao, Li and Xi. Choose what you like. Since the publication of 1984, 13 times has been published, which has stood the test of time. In addition, official script is the predecessor of regular script, which should be understood. Historically, couplets are not limited to regular script, and there are many kinds, even female script, bird seal, Oracle Bone Inscriptions and so on.