② 到句中的逗号终止,如:(When I was young), I listened to the radio. ③ 到下一个修饰成分终止,如:I will invite Yao Ming (who was a top basketball player) to Beijing. (to Beijing是介词短语,属于另一个修饰成分,故从句的标记在此处终止) ④ 到下一个谓语动词...