|  |  | 1. 英语中的物主代词有形容词型和名词型两种,见下表: 
 
 
              
                | 词义 类型
 | 我的 | 你的 | 他(她,它)的 | 我们的 | 你们的 | 他们的 |  
                | 形容词型 | my | your | his, her, its | our | your | their |  
                | 名词型 | mine | yours | his, hers, its | ours | yours | theirs |    2. 形容词型物主代词只能用作定语,而名词型物主代词可用作主语、宾语和表语,如:I can't find my pen. Can you 
              lend me yours?
   3. 名词型物主代词可与of连用,构成双重所有格,如:She is a friend of mine.
   4.形容词型物主代词his,her,their等在人称、性、数上要和它们所指代的名词一致。如果不能判断句中名词的属性,一般用his,如:Every girl is doing her best.
 Each teacher has his own teaching 
              method.
   5. 集合名词作整体看待时用its(或his,her)指代,作个体看待时用their取代,如:The Smiths could not agree on where to spend their 
              vacation.
 The public expressed its concern 
              about the flood.
 
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