什么是 “show, showed, shown”?
动词 show 是一个典型的不规则动词,其过去式和过去分词形式有两种常见变体:
- 原形(Base form):show
- 过去式(Simple past):showed
- 过去分词(Past participle):shown(有时也用 showed,但 shown 更标准)
详细用法与例句
1. Show(原形)
用于一般现在时、祈使句或助动词后。
She shows great talent in painting.
Please show me your ID.
2. Showed(过去式)
表示过去发生的动作。
He showed me the way to the station yesterday.
They showed great courage during the crisis.
3. Shown(过去分词)
用于完成时态或被动语态。
The results have been shown to improve over time.
A new method has been shown to work effectively.
注意:shown 是标准过去分词形式;虽然在非正式语境中有人用 has showed,但通常被视为不规范。
常见错误与注意事项
- ❌ “I have showed him the photo.” → ✅ “I have shown him the photo.”
- ✅ “Yesterday, I showed him the photo.”(过去式正确)
- 在美式英语和英式英语中,shown 都是首选的过去分词形式。
小测验:你能选对吗?
选择正确的动词形式:
“By the time we arrived, the movie had already ______.”