一、Who的基本定义与核心功能
Who是英语中最常用的疑问代词之一,主要用于指代人,在句子中充当主语、宾语或表语。它的核心功能是询问人的身份、信息或特征。
语法定位:Who属于"Wh-"系列疑问词(包括what, where, when, why, how),专门用于针对"人"进行提问。
二、Who作为疑问代词的用法
1. 作主语(最常见用法)
当who在疑问句中作主语时,直接引导问句,不需要助动词倒装,语序为:Who + 谓语 + 其他?
| 例句 | 中文释义 | 语法解析 |
|---|---|---|
| Who is your English teacher? | 谁是你的英语老师? | who作主语,直接接动词is |
| Who called you last night? | 昨晚谁给你打电话了? | who作主语,接过去式动词called |
| Who will attend the meeting? | 谁将参加会议? | who作主语,接将来时助动词will |
2. 作宾语(正式用法)
在正式英语中,who可以作为动词或介词的宾语,但现代英语中常被whom替代。
| 正式用法 | 日常替代 | 中文释义 |
|---|---|---|
| Who did you see?(正式) | Who did you see?(日常) | 你看见谁了? |
| For who is this gift?(正式) | Who is this gift for?(日常) | 这个礼物是给谁的? |
3. 作表语
Who可与系动词连用,询问某人的身份或特征。
例句: "Who is that man?" — "He is my uncle."
翻译: "那个男的是谁?" — "他是我叔叔。"
三、Who在间接疑问句中的用法
当who引导的疑问句作为另一个句子的组成部分时,形成间接疑问句,语序为陈述句语序。
| 直接疑问句 | 间接疑问句 | 用法说明 |
|---|---|---|
| Who is she? | I wonder who she is. | 间接疑问句中恢复陈述语序 |
| Who will come? | Do you know who will come? | 主语位置who保持原语序 |
四、Who作为关系代词的用法
Who可作为关系代词引导定语从句,修饰表示人的先行词,在从句中作主语。
典型结构: 先行词(人) + who + 从句
| 例句 | 中文释义 | 语法分析 |
|---|---|---|
| The woman who is speaking is our manager. | 正在说话的那位女士是我们的经理。 | who指代the woman,在从句中作主语 |
| Do you know the person who designed this building? | 你认识设计这栋楼的人吗? | who指代the person,在从句中作主语 |
五、特殊用法与常见搭配
1. "Who's who" 固定表达
表示"重要人物名录"或"名人录",也可指"谁是谁"(区分不同人的身份)。
例句: At the conference, it was difficult to know who's who without name tags.
翻译: 在会议上,没有姓名牌很难分清谁是谁。
2. "Who else" 表达
表示"还有谁",用于询问除已知信息外的其他人。
例句: Who else is coming to the party besides Tom?
翻译: 除了汤姆,还有谁要来参加派对?
3. 与ever组合:whoever
Whoever表示"无论谁"、"任何人",引导名词性从句和让步状语从句。
例句: Whoever comes will be welcome.(名词性从句)
翻译: 无论谁来都欢迎。
六、常见错误与注意事项
| 错误用法 | 正确用法 | 错误分析 |
|---|---|---|
| Who you are looking for? | Who are you looking for? | 作宾语时疑问句需要倒装 |
| The person who I met him yesterday. | The person who I met yesterday. | 关系代词who已代表宾语,不需再加him |
| I don't know who is he. | I don't know who he is. | 间接疑问句应使用陈述语序 |
七、实战应用场景解析
场景1:社交场合认识新朋友
A: Who is that tall guy over there?
B: He's our new colleague, John.
A: And who introduced him to the company?
B: I think it was the HR manager who recruited him.
场景2:职场会议讨论
A: Who is responsible for this project?
B: Sarah is the one who is in charge.
A: Do you know who will present the report?
B: I'm not sure yet. Let's find out who has the relevant data.
场景3:家庭日常对话
Child: Mom, who is coming to my birthday party?
Mom: All your classmates who were invited are coming.
Child: But who bought me this gift?
Mom: It's from Aunt Mary, who always remembers your birthday.
八、Who与相关疑问代词对比
| 疑问词 | 用途 | 例句 |
|---|---|---|
| Who | 询问人的身份 | Who is that professor? |
| What | 询问事物或人的职业 | What is your father?(询问职业) |
| Which | 在有限选项中询问特定的人 | Which of them is your brother? |
| Whose | 询问所有权关系 | Whose book is this? |