高校時代にオンラインで日本語の授業を受講し、基本的な日本語の話し方を学

高校時代にオンラインで日本語の授業を受講し、基本的な日本語の話し方を学びました。

Results (English) 1:

When I was in high school, I took a Japanese class online and learned basic Japanese speaking.

Results (English) 2:

I took a Japanese class online in the high school and learned the basic Japanese way of speaking.

Results (English) 3:

In high school, I took Japanese classes online and learned basic Japanese speaking methods.