74 what的4种用法
1 what 用作疑问代词,引导特殊疑问句,在句中作主语、表语或宾语。
What happened next? 接下来发生了什么事?(作主语 )
What is his name? 他叫什么名字?(作表语 )
What did he say? 他说了什么?(作宾语)
2 what 用作连接代词,表示一种东西或一件事情,相当于the thing which,用于引导主语从句、表语从句或宾语从句。
What he said is true. 他讲的话是真实的。(引导主语从句 )
This is what he needs. 这就是他所需要的东西。(引导表语从句 )
I don't know what he said. 我不知道他说了什么话。(引导宾语从句)
3 what 用作形容词,只作定语,修饰名词,可表示感叹。
What books did he buy? 他买了什么书?
What team is she in? 她在哪个组?
What good students they are! 他们是多么好的学生啊!
比较
What colour is your hat? 你的帽子是什么颜色?(what作疑问形容词)
What is the colour of your hat? (what作疑问代词)
提示
what引导从句作宾语时,必须是作及物动词的宾语或介词的宾格,要注意不及物动词后面的介词不可省略。
I don't know what they are talking about . (正)我不知道他们在谈论什么 。
I don't know what they are talking . (误)
I know what he is looking for . (正)我知道他在找什么。
I know what he is looking . (误)
我想知道那个女孩在玩什么。
I want to know what the girl is playing with . (正)
I want to know what the girl is playing . (误)
4 what 表示“身份,职业”。
What is the man over there? 那边那个人是干什么的?
What's your mother? 你母亲是干什么工作的?
比较
Who is he? 他是谁?(问答:He is Tom.)
What is he? 他是干什么工作的?(问答:He is a driver.)