In this case, you'd use the present-tense "first time I've been", but it's much more common to narrate this way when relating past events than when talking about future plans.

Dec 24, 2016 · What is meaning and difference between at the first time and for the first time ? Thanks.

I am not sure what difference there is between This is the first time I've lost my passport. This is a first time I've lost my passport. Would appreciate your explanation.

Oct 12, 2022 · With what tense should we use "for the first time" and "the first time"? I am confused, because some native speakers told me that I had to always use Present Perfect.

Jun 16, 2024 · The first time I have ever seen it was five years ago. To my knowledge, we should use past perfect tense in the bold part. But can I use present perfect or past simple instead to match with …

Sep 9, 2023 · There's no mistake in using "for the first time" in a sentence "doing something for the first time". In the first sentence the placement of "only" is rather odd. "Only" tends to creep forward: "I'm …

The sentence construction is a bit odd, but it works if you think of somebody announcing the result immediately after the attempt—and just before he attempts it a second time. Note the difference that …

Mar 4, 2015 · This is the first time I've done it. One of the many uses of the perfect tenses is to talk about life experiences, which is why it is used here: talking about the first time doing it, the …

Jan 4, 2017 · 0 "Is this your first time to Sydney?" sounds flatly wrong to me, a 64-year-old native speaker of American English. I suppose it could be acceptable in some other variants of English, …

To be totally correct, you should actually say, It was the first time I had done ____ which is the past perfect tense. However, you may also hear the simple past used, which is the first of your sentences.