stndy的过去式是什么

过去式是studied

v. 学习端详研究求学记住（或背下）台词仔细考虑尽力取得（结果）（study 的过去式及过去分词）

adj. 深思熟虑的博学的刻意的精心策划的装模作样的I studied English in college.

我在大学学习英语。

I studied tourism at university.

我在大学学旅游专业。

Lots of my friends studied abroad for university.

我有很多朋友出国读大学。

She studied acting in New York.

她在纽约学习表演。

She studied Finance in university， and now she works for a bank.

她大学学习金融，现在在银行工作。

Jack studied math in college.

Jack大学时学的数学。

She studied very hard.

她学习很用功。