MB3 63a: Reading Along with the Haftorah Lainer (284:5-7) Shnayim Mikra V'Echad Targum (285:1)

Should one read along during the haftarah? The haftarah for a double parsha. Av Harachamim & Kel Malei.

The chiyuv to review the parsha Shnayim Mikra v'Echad Targum.