this is the first time that i to Mountain Tai填have been还是came

have been
句型：
This is the first time that +现在完成时
This was the first time that +过去完成时
很高兴为你解答!
请及时采纳哦!多谢你的问题!如果本人还在此地这个句型没有含你所说的意思。