Oftentimes, we are confused about HAVE BEEN TO and HAVE GONE TO, together with WENT. This video gives you a clear picture of their differences. It is also about PRESENT PERFECT TENSE, talking about how we can use it by asking Yes/No questions to ask about one's experience when it comes to having a conversation.
0:21 - have been to vs have gone to
3:08 - went
3:52 - present perfect tense (asking Yes/No questions)