1.名词复数变化规则:(6条)
2.(难) English books(单数) some erasers(单数)
dictionaries(单数) watches(单数)
3.形容词性物主代词和名词性物主代词
(形性)my your his her its our your their
(名性) mine yours his hers its ours yours theirs
(形容词性物主代词后加名词,名词性物主代词后不加名词)
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