范文：
The past tense of the verb "study" is "studied." For example, if someone studied for an exam last night, you would say, "She studied last night for the exam."
常见问答知识清单及解答：
1. 询问 "study" 的过去式是什么？
解答：The past tense of "study" is "studied."
2. "Study" 的过去分词是什么？
解答："Study" 的 past participle is also "studied."
3. "Study" 的现在分词是什么？
解答："Study" 的 present participle is "studying."
4. "Study" 的第三人称单数形式是什么？
解答："Study" 的 third person singular form is "studies."
5. "Study" 的复数形式是什么？
解答："Study" 的 plural form is "studies."
6. "Study" 是不规则动词吗？
解答：Yes, "study" is an irregular verb.
7. "Study" 在句子中作动词时，如何构成否定句？
解答：To form a negative sentence with "study," you would say "does not study" or "doesn't study" for third person singular, and "do not study" or "don't study" for first and second person singular and plural.
8. "Study" 的过去式和现在分词在发音上有什么区别？
解答：The past tense "studied" is pronounced /ˈstʌdiːd/, while the present participle "studying" is pronounced /ˈstʌdiːɪŋ/.
9. "Study" 和 "studied" 在句子中的使用有什么不同？
解答："Study" is the base form of the verb and is used in the present tense. "Studied" is the past tense and past participle, used for talking about actions completed in the past.
10. "Study" 可以用作名词吗？
解答：Yes, "study" can also be used as a noun, referring to an act of studying or a place where one studies. For example, "She has a good study habit." or "The library is a great place for study."
