"I need to find out how to get there and how to participate."
"I have to look up how to get there and how I can take part."
"I need to find out how to get there and how to participate."
"I need to ~" 「〜なきゃならない」
"to find out ~" 「〜を調べる」
"how to get there" 「そこへの行き方」
"how to participate" 「参加の仕方」
"I have to look up how to get there and how I can take part."
"I have to ~" 「〜なきゃならない」
"to look up ~" 「〜を調べる」
"how I can take part" 「参加の仕方」
[調べる](https://eikaiwa.dmm.com/uknow/questions/7990/)についてもっと詳しく知りたい方はクリックしてください。
I have to figure out the way there and how to sign up for horse back riding.
I need to find out how to get there and how to register for a horse back riding lesson.
この場合、次のような言い方ができますよ。
ーI have to figure out the way there and how to sign up for horse back riding.
「そこへの行き方と乗馬の申込方法を調べないといけない」
the way there で「そこへの道(行き方)」
how to sign up for ... で「…の申込方法」
horse back riding で「乗馬」
ーI need to find out how to get there and how to register for a horse back riding lesson.
「そこへの行き方と乗馬レッスンの申込方法を調べないと」
how to get there で「そこへの行き方」
how to register for ... で「…の申込方法」
ご参考まで!