give up doing sth 放弃做某事set about doing sth开始着手做某事admit/deny doing sth承认/否认做过某事
manage to do sth 能够做到某事plan to do sth计划做某事
continue to do/doing; begin to do/doing;start to do/doing
有些都能跟但意思不一样:
stop to do 停下来去做某事 stop doing停止做某事
remember to do 记得去做某事remember doing记得曾经做过某事
forget to do 忘记去做某事forget doing忘记曾经做过某事