"She did many kindnesses for me when we were in our 20's."
"She helped me out a lot when we were in our 20's."
"She did many kindnesses for me when we were in our 20's."
"she" 「彼女」
"did many kindnesses" 「何度も助けた」
"did many kindnesses for me" 「何度も私のことを助けた」
"when we were in our 20's" 「お互い20代だった時」
"20's" 「20代」
"She did me many kindnesses when we were in our 20's" も言えます。
"did me many kindnesses" 「何度も私のことを助けた」
- "She helped me out a lot when we were in our 20's."
"helped me out a lot" 「何度も私のことを助けた」
She has helped me many times since we were in our twenties.
「彼女はお互い20代だった時から何度も私のことを助けた」という表現は「She has helped me many times since we were in our twenties.」と英語で表現できます。
She has helped me で「彼女は私を助けてくれた」を意味します。
Many times は「何度も」を意味します。
Since we were in our twenties は「お互い20代だった時から」を示し、時間の流れを明確にします。「twenties」は「20代」を示します。
オーストラリア 
アメリカ合衆国 
