跑步的英语是 "running"，唱歌的英语是 "singing"。

这两个词都是基础的英语动词，来源于古英语。

跑步的英文例句：

I go running every morning to stay in shape. (我每天早上都跑步来保持体形。)
He is training for the marathon by running long distances every day. (他每天跑很长的距离来为马拉松做训练。)

唱歌的英文例句：

She has a beautiful voice and loves singing at karaoke parties. (她有一个漂亮的声音，喜欢在卡拉OK聚会上唱歌。)
He sings in the school choir and dreams of becoming a professional singer. (他在学校合唱团唱歌，梦想成为一名专业歌手。)