“我会跳绳”用英语可以说成 "I can jump rope" 或 "I know how to jump rope." 跑步则可以说成 "I can run" 或 "I know how to run."
这些短语都是常见的英语表达方式，它们的来源是英语中动词的现在时和一般时的用法。"can" 是助动词，表示能力，而 "know how to" 是短语动词，表示会做某事。
例句：
I can jump rope for 15 minutes without stopping. (我能跳15分钟的绳)
She knows how to run a marathon. (她会跑马拉松)
My pttle brother can jump rope better than me. (我的弟弟比我跳绳更好)
He doesn't know how to run but he can swim. (他不会跑步，但会游泳)