study作动词时意为“学习、考虑、攻读、细察、研究、用功”。既可用作及物动词，也可用作不及物动词。下面让我们来看一下study的过去式、过去分词以及现在分词分别是什么吧。
过去式和过去分词及现在分词
过去式：studied
过去分词：studied
现在分词：studying
第三人称单数：studies
复数：studies
相关例句
They studied the geographical distribution of the disease.
他们研究了这种疾病的地域分布情况。
She studied chemistry for three years.
她学了三年化学。
I studied English and Drama at college.
我在大学学的是英语和戏剧。
My brother studied at the Royal College of Art.
我哥哥曾就学于皇家美术学院。
We studied that book in matric.
我们毕业那年学了那本书。
He studied her face thoughtfully.
他一边端详她的脸，一边沉思。
She introduced herself with studied casualness.
她故作轻松地做了自我介绍。
Debbie studied her friend's face for a moment.
黛比仔细端详了一会她朋友的脸。
