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从结构上看，all of the boys比all the boys多一个介词。这个介词of的有无把这两个词组的区别指向了all这个词。all the boys中，all是限定词，all of the boys中，all是代词。类似的还有both和half这两个词，有of时，它们是代词；没有of时，它们是限定词。请看例句： 1.All the students were asked to assemble in the main hall. 全体学生获通知到大礼堂集合。 2. After all of the students arrived here, the class meeting began. 等所有学生到了之后, 班会开始了。 3. Only half of the rooms are occupied at the moment. 目前只有半数的房间有人居住。 4. Too often he only absorbs half the information in the manual. 他对于说明书上所说的经常是一知半解。 5. Both the twin brothers were born and bred in London. 这对双胞胎兄弟是在伦敦长大的。 6. Both the women were French. 两名妇女都是法国人。 |
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