I bought a text book at a used book store and there were markings on the pages.
I purchased a textbook from a used book store and there were markings inside.
I bought a text book at a used book store and it had markings by the previous owner.
質問ありがとうございます。
こう言えますよ、
❶I bought a text book at a used book store and there were markings on the pages.
(古本屋でテキストを買ったら、ページにマークした跡が)。
❷I purchased a textbook from a used book store and there were markings inside.
(古本屋でテキストを買ったら、中にマークした跡が)。
❸ I bought a text book at a used book store and it had markings by the previous owner.
(古本屋でテキスト買ったら前の人がマークした跡があった)。
*Previous owner は直訳すると「元持ち主」です。
*Bought/ purchased 買った/購入した
* textbook テキスト
* Used book store 古本屋
* markings マーク跡
参考に！
アメリカ合衆国 
