study的过去式是什么

    study过去式是：studied；复数是：studies；第三人称单数现在时是：studies；现在分词是：studying；过去分词是：studied。

    

    基本字义

    

    study

    英['st?d?] 美['st?di]

    n.学习，研究；课题；书房；结论

    vi.考虑；沉思；默想；努力

    vt.想出；详细地检查；背诵（台词等）；为…费心思

    

    双语例句

    

    1.She gave up her studies to have Alexander.

    为了生亚历山大，她放弃了学业。

    2.She is currently doing a business studies course at Leeds.

    她目前在利兹大学修读一门商科课程。

    3.Debbie studied her friend's face for a moment.

    黛比仔细端详了一会她朋友的脸。

    4.I know that you've been studying chimpanzees for thirty years now.

    我知道你研究黑猩猩至今已有30年了。

    5.I invite every citizen to carefully study the document.

    我请每位市民都仔细研读该文件。