study 的過去識是什麼??

Study的過去式是studied.
下面是解釋和例句.

Study
名複: studies
動變: studied; studied; studying
n.
1. 學習;研究;調查[U][P1]
The plan is under study.
那個計劃正在研究中。
He has made great progress in his English studies.
他在學習英文方面進步很多。
2. 研究論文,專題論文[C]
She wrote a study of Shakespeare.
她寫了一篇有關莎士比亞的論文。
3. 學科;學問[C]
Bioengineering is a new study.
生物工程學是一門新的學問。
4. 課題,研究對象[C]
5. 書房[C]
Mr. Smith is reading in his study.
史密斯先生在書房內看書。
6. 【畫】習作;試畫[C]
7. 【音】練習曲[C]
vt.
1. 學習;研究
For a year he studied Chinese with me.
他跟我學了一年中文。
2. 細看,細察
I studied him closely.
我仔細地看了看他。
3. 仔細考慮
We need time to study a suitable answer.
我們需要時間去考慮一個適當的答覆。
They studied the question carefully before they made the decision.
他們認真研究了這一問題,然後才作出決定。
vi.
1. 學習,用功
My daughter often studies late into the night.
我女兒常常讀書到深夜。
2. 努力

is studied 我查字典格!

http://hk.dictionary.yahoo.com/search.html?s=study

Studied

可以去yahoo的字典check的，以後有問題都可以看一看﹗