关于SO DO I句型的问题

so have i

so do sb 是指“某人也...”
e.g.-I like watching TV. -So do I.
so sb do 是指“某人确实...”
e.g.-He can answer all the questions.How clever he is!
-So he is.

SO HAVE I ,表示你也去过了,与他有种一致,相同的感觉

而SO I HAVE ,只是一种对自己的行为的单独强调.