SRL for [reverts]: The committee is formulating Hong Kong 's constitution for when it [reverts] to Chinese control in 1997 , and Chinese lawmakers said the two can only return if they `` abandon their antagonistic stand against the Chinese government and their attempt to nullify the Sino - British joint declaration on Hong Kong . ''
ARG-1: it | ARG-2: to Chinese control | ARG-M-TMP: in 1997 | ARG-M-TMP: when