So +谓语 +主语表示“某人也.....",一般主语与前文主语不是指同一个人,如: I like music very much.我很喜欢音乐 So does my sister.我妹妹也是So+主语+谓语表示”肯定上文的陈述,的确如此“,主语一般与上文主语指同一个人如:My sister likes music very much. 我妹妹很喜欢音乐 So she does.是的,的确如此