2011年成人英語疑問代詞詞匯一

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疑問代詞在句中起名詞詞組的作用,用來構(gòu)成疑問句。疑問代詞有下列幾個:
    指人:who,whom,whose
    指物:what
    既可指人又可指物:which
    疑問代詞在句中應位于謂語動詞之前,沒有性和數(shù)的變化,除who之外也沒有格的變化。what,which,whose還可作限定詞。試比較:
    疑問代詞:Whose are these books on the desk?
    桌上的書是誰的?
    What was the directional flow of U. S. territorial expansion?
    美國的領(lǐng)土擴張是朝哪個方向的?
    限定詞:Whose books are these on the desk?
    桌上的書是誰的?
    What events led to most of the east of the Mississippi River becoming part of the United States?
    哪些事件使密西西比河以東的大部分土地歸屬于美國?
    說明1:
    無論是做疑問代詞還是限定詞,which 和what 所指的范圍不同。what所指的范圍是無限的,而which則指在一定的范圍內(nèi),例如:
    Which girls do you like best?
    你喜歡哪幾個姑娘?
    What girls do you like best?
    你喜歡什么樣的姑娘?