study过去式是studied，过去分词形式是studied。study作名词时意为“学习，研究;课题;书房;学问;人名;(英)斯塔迪”，作动词时意为“学习;考虑;攻读;细察;研究;用功”。
study的用法例句：
1.Charles and I were closeted in his study for the briefing session.
我和查尔斯在他的书房里闭门开简介会。
2.The study links the main living area to the kitchen.
书房把主要的生活区与厨房连在一起。
3.673 private golf clubs took part in a recent study.
673家私人高尔夫俱乐部参与了最近的研究。
4.He entered Otago University to study arts and divinity.
他进入奥特哥大学学习艺术和神学。
5.I invite every citizen to carefully study the document.
我请每位市民都仔细研读该文件。
6.A new study proved conclusively that smokers die younger than non-smokers.
一项新的研究确证了吸烟者比不吸烟者死得早。
7.He went on to study music, specialising in the clarinet.
他继续学习音乐，主攻单簧管。
8.Prospective buyers should study the small ads in the daily newspaper.
打算购物的人应该研究研究日报上的小广告。
9.The research should prove invaluable in the study of linguistics.
该调查研究在语言学研究领域的重要性应该会得到证实。
10.Trendy teachers are denying children the opportunity to study classic texts.
赶时髦的教师正在剥夺孩子学习经典课本的机会。
