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动词：动词的－ING形式
(2005-08-21)
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动词：have
(2005-08-21)
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动词：感观动词
(2005-08-21)
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动词：do
(2005-08-21)
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动词：dare和used to
(2005-08-21)
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动词：动词用复数
(2005-08-21)
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动词：动词用单数
(2005-08-21)
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动词：动词规则变化
(2005-08-21)
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动词：动词的数
(2005-08-21)
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动词：动词不规则变化
(2005-08-21)
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动词：助动词can和could
(2005-08-21)
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代语和it句型：指示代名词
(2005-08-21)
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代语和it句型：特殊主词
(2005-08-21)
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代语和it句型：所有代名词
(2005-08-21)
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代语和it句型：说说-ever
(2005-08-21)