Which tense should I use? - This is the first time I (play) tennis.

[Vv0510_Vn]

Which tenses should I use in the following sentences?

[Molly]

This is the first time I've played tennis.
This/that was the first time I (had) played tennis.

[Daemon99]

What about "This is the first time I am playing tennis."?
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Non-native speaker of English
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I intend to live forever - so far, so good.

[Molly]

[Caf_Free]

"This is the first time for me to teach Spanish."

Is the grammar correct?

Thanks.

[Anglo Sax]

This is the first time I've played tennis, and it's also the first time I've taught Spanish. (So that's two firsts for me! :lol: )