至急です!!英作文を作ったのですが間違っている所やおかしな点などあれば教えて欲しいです!! テーマ:以前に経験した幸せなこと 必須事項:過去形、現在完了形、現在完了進行形、be going to~ を使用すること One of the happiest experiences I had before was at the concert of BTS, a kpop idol group that I'm obsessed with. My friend gave me a ticket and we went to the concert together. We got the best seat that I have ever gotten, So we had a happy time. This was three years ago, but I’ve been supporting them ever since. They are not active now, but I am going to continue to support them.