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发布于 2026-06-05 / 1 阅读
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03 - 代词(一)

一、核心知识点

1. 人称代词

人称 单/复数 主格(作主语) 宾格(作宾语)
第一人称 单数 I(我) me(我)
复数 we(我们) us(我们)
第二人称 单/复数 you(你/你们) you(你/你们)
第三人称 单数 he(他) / she(她) / it(它) him / her / it
复数 they(他们/她们/它们) them

记忆要点:主格在句中作主语,放在动词前面;宾格作宾语,放在动词或介词后面。

2. 物主代词

人称 形容词性物主代词(后接名词) 名词性物主代词(单独使用)
my(我的) mine(我的)
your(你的) yours(你的)
his(他的) his(他的)
her(她的) hers(她的)
its(它的) its(它的)
我们 our(我们的) ours(我们的)
你们 your(你们的) yours(你们的)
他们 their(他们的) theirs(他们的)

关键区别: - 形容词性物主代词 = 形容词,后面必须接名词:This is my book. - 名词性物主代词 = 名词,后面不能接名词:This book is mine.

3. 反身代词

人称 单数 复数
第一人称 myself(我自己) ourselves(我们自己)
第二人称 yourself(你自己) yourselves(你们自己)
第三人称 himself / herself / itself themselves(他们/她们/它们自己)

常见搭配: - by oneself = 独自,单独:He lives by himself. - enjoy oneself = 玩得开心:We enjoyed ourselves. - help oneself = 请自便:Help yourself to some tea.


二、重点语法规则

规则1:主格 vs 宾格

位置 用格 例句
动词前(主语) 主格 She is a student. / They like English.
动词后(宾语) 宾格 I like her. / Give it to them.
介词后 宾格 This gift is for you. / Don't look at me.

规则2:形容词性 vs 名词性物主代词

情况 使用 例句
后面有名词 形容词性物主代词 This is my pen.
后面没有名词 名词性物主代词 This pen is mine.
避免重复前面提到的名词 名词性物主代词 My pen is red. Hers is blue.

规则3:it 的特殊用法

用法 例句
指代时间 It is 8 o'clock now.
指代天气 It is raining today.
指代距离 It is 5 kilometers from here.
作形式主语 It is important to study hard.
作形式宾语 I find it difficult to learn English.
指代婴儿或身份不明的人 It is a lovely baby.

三、常见易错点

易错点 错误 正确
主格宾格混淆 Give it to he. Give it to him.
物主代词后多加名词 This is mine book. This is my book. / This book is mine.
its 与 it's 混淆 The dog wagged it's tail. The dog wagged its tail.
反身代词用错 He lives by him. He lives by himself.
名词性物主代词后接名词 Yours book is new. Your book is new.

四、典型例题分析

例题1:主格与宾格

题目:—Is she a French student? —No, she isn't. She is ______ English student.

答案:an

解析:English 以元音音素开头,用 an。此处考查的是冠词与身份表达,she 作主语用主格。

例题2:物主代词选择

题目:—Whose pen is this? —It's __. Look, ____ name is on it. A. Mary's; Her B. Mary; Her C. Mary's; Hers

答案:A. Mary's; Her

解析:第一空表示"玛丽的(钢笔)",用名词所有格 Mary's;第二空后有名词 name,用形容词性物主代词 Her。Hers 是名词性物主代词,后面不能接名词。

例题3:名词性物主代词

题目:My ruler is yellow. ______ is red. (She)

答案:Hers

解析:空格后没有名词,需要用名词性物主代词 Hers,相当于 Her ruler。

例题4:反身代词

题目:He doesn't have any son or daughter, so he lives by ______. A. his B. him C. he D. himself

答案:D. himself

解析:by oneself 是固定搭配,表示"独自"。主语是 he,对应的反身代词是 himself。

例题5:it 作形式主语

题目:______ is important to drink enough water every day. A. This B. That C. It D. He

答案:C. It

解析:It 作形式主语,真正的主语是后面的不定式 to drink enough water every day。句型:It is + adj. + to do sth.

例题6:人称代词一致

题目:My brother and I both like ______. He likes volleyball and I like badminton. A. sport B. sports C. animals

答案:B. sports

解析:后面提到 volleyball 和 badminton 都是运动项目,所以用 sports。sport 作"运动"讲时,通常用复数形式表示各类运动。


五、速记口诀

人称代词口诀

主格动词前,宾格动词后; 介词后面用宾格,千万别弄丢。

物主代词口诀

有名则形(后面有名词用形容词性), 无名则名(后面无名词用名词性); my 变 mine,her 变 hers, his its 不变形,其余都加 s。

反身代词口诀

反身代词表自身,myself 我自己; 词尾都是 self 或 selves, by oneself 独自记心里。

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