请问老师，目前分词短语是否修饰 I，做定语？
I volunteer at the care home twice a week reading to the elderly.
reading to the elderly为目前分词做方法状语，其逻辑主语为句子的主语。volunteer在此为不及物动词。the freedictionary对此的解释和例句如下：To do charitable or helpful work without pay:
Many retirees volunteer in community service and day care centers.