主动提出做某事的经典表达为offer to do sth。例如：她主动提出将一笔遗产留给凯瑟琳，即She offered to leave a legacy to Katherine。菲利普承诺支持并主动提出尽力提供帮助，即Philip pledged support and tendered to assist in any way possible。如果他没能主动提出陪她去取车，则表达为He didn’t volunteer to escort her to her car。当她主动教我钩织东西时，可以用She proposed teaching me crochet。彼得主动提出教他们滑水，可以说Peter offered to teach them water-skiing。
主动提出帮助的常用短语包括主动提议借钱、提供信息等。比如邻居要外出时主动提议帮忙收取信件，即If a neighbor is about to be away on a trip, offer to collect their mail and newspapers for them。当孩子们主动要求洗盘子时，可以说The kids spontaneously requested to wash the dishes。还有当你乐于助人或提供帮助时可以说，例如She’s very accommodating and offered to wait for us together or We were eager to help and offered assistance. 当有人愿意提供某种服务或帮助时，我们可以使用offer来表达，如He proposed taking us across the river in his boat 或 They offered assistance in organizing the event. 另外有一些与offer意思相近的词如主动要求教某事物的provide帮助、volunteer帮助等也可以作为替换使用。
