I dropped my mom at the bus stop near the station.
I took my mom to the station by car.
I chauffeured my mom to the bus stop near the station.
英訳１：dropは「落とす」ですが、「降ろす」の意味もあります。
英訳２：take XX to ...で、「XXを…に連れて行く」となります。
by carは「車で」。交通手段を言うときに、byという前置詞を使います。
英訳３：chauffeur XXで、「XXの運転手をする」の意味です。
その他の言い方：
- I gave my mom a ride to the station.
- I gave my mom a lift to the station.
- I gave my mom a lift up to the station.
→give XX a ride/lift up to ...は、「XXを…まで送る」。
- I was my mom's chauffeur today.
- I drove her to the station.
- I drove my mom to the station.
アメリカ合衆国 
