b. Nay-ka tochak-ha-ess-ul-ttay, John-nun ku chak-ul twu pen*/??(-ul) Ilk-ko-iss-ess-ta
I-NOM arrival-do-PST-REL-time, J-TOP that book-ACC two-time (-ACC) read-COMP-PROG-PST-DECL
When I arrived, John had been reading the book twice