In what other ways do you think dogs are able to help people?
一般情况下,特殊疑问句的疑问词为what、where、what color, how many等。
句中in what other ways 是介词(in)+复合疑问词(what other ways)构成的疑问词吗?
这种介词引导的疑问词可普遍适用吗,比如其他介词in、at等等之类的。
这个what是疑问限定词,限定other ways构成名词词组,what other ways,而what other ways这个名词词组作介词in的宾语,构成介词短语,这个介词短语就是特殊疑问句中需要前置的疑问短语。这是很普遍的用法。例如:
At what time did you...?
For what reason did you...?
In which room did you...?
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