三年级下册英语句型语法如何归纳?
校园之窗 2025年11月30日 23:43:12 99ANYc3cd6
三年级下册英语核心句型与语法归纳
三年级下册的重点在于巩固一般现在时,并开始接触现在进行时和情态动词 can 的用法,会学习更多方位介词和特殊疑问句。
第一部分:核心句型
介绍与询问国籍/籍贯
这是对三年级上册 "I'm from..." 的拓展,增加了询问对方来自哪里的问句。

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句型结构:
- A: Where are you from?
你来自哪里?
- B: I'm from + 地点.
我来自…… (国家/城市)
- A: Where are you from?
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核心词汇:
(图片来源网络,侵删)- 国家: China (中国), the UK (英国), the USA (美国), Canada (加拿大), Australia (澳大利亚)
- 地点: London (伦敦), Beijing (北京), New York (纽约), Toronto (多伦多), Sydney (悉尼)
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例句:
- A: Where are you from?
- B: I'm from China.
- A: Where is Amy from?
- B: She is from the UK.
介绍与询问外貌特征
这是对 "He/She is..." 的具体化应用,用于描述人的长相。
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句型结构:
- A: What's he/she like? / What does he/she look like?
他/她长什么样? (更常用 What's he/she like?)
(图片来源网络,侵删) - B: He/She is + 形容词.
他/她是…… (形容词)
- A: What's he/she like? / What does he/she look like?
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核心词汇 (形容词):
tall(高的),short(矮的/短的),strong(强壮的),thin(瘦的),quiet(安静的),friendly(友好的),cute(可爱的),beautiful(美丽的)
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例句:
- A: What's your new teacher like?
- B: He is tall and strong.
- A: Is Sarah quiet?
- B: No, she isn't. She is very friendly.
介绍与询问职业
这是对 "He/She is..." 的又一拓展,用于介绍人的工作。
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句型结构:
- A: What's your ...'s job? / What does your ... do?
你的……是做什么的?
- B: He/She is a + 职业名词.
他/她是一名……
- A: What's your ...'s job? / What does your ... do?
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核心词汇 (职业):
teacher(老师),student(学生),doctor(医生),nurse(护士),driver(司机),farmer(农民),baseball player(棒球运动员)
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例句:
- A: What's your father's job?
- B: He is a doctor.
- A: Is your mother a teacher?
- B: Yes, she is. She's an English teacher.
询问并回答时间
这是关于 "What time is it?" 的核心句型。
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句型结构:
- A: What time is it?
几点了?
- B: It's + 时间.
……点了。
- A: What time is it?
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核心词汇与表达:
- 整点:
o'clock(点钟) - 半点:
half past(……点半) - 一刻:
a quarter past(……点过一刻),a quarter to(差一刻……点) - 介词:
past(过),to(差)
- 整点:
-
例句:
- A: What time is it?
- B: It's 7 o'clock. (七点整)
- A: What time is it?
- B: It's half past 9. (九点半)
- A: What time is it?
- B: It's a quarter to 2. (差一刻两点,即一点四十五分)
询问并回答物品
这是 "What's this/that?" 的复数形式,用于询问多个物品。
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句型结构:
- A: What are these/those?
这些/那些是什么?
- B: They are + 名词复数.
它们是……
- A: What are these/those?
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核心词汇:
these(这些),those(那些)- 名词复数:
apples(苹果),pears(梨),horses(马),cows(奶牛),sheep(绵羊 - 单复数同形),hens(母鸡)
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例句:
- A: What are these?
- B: They are apples. (These are close to the speaker.)
- A: What are those over there?
- B: They are horses. (Those are far from the speaker.)
询问并回答价格
这是 "How much is it?" 的复数形式。
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句型结构:
- A: How much are these/those?
这些/那些多少钱?
- B: They are + 价格.
它们……元。
- A: How much are these/those?
-
核心词汇:
ten yuan(十元),twenty yuan(二十元),thirty yuan(三十元)...- 数字:
onetothirty
-
例句:
- A: How much are these pears?
- B: They are twelve yuan.
- A: How much are those shoes?
- B: They are fifty yuan.
第二部分:核心语法点
现在进行时
这是下册的一个重点和难点,表示当前正在发生的动作。
-
核心结构:
am / is / are + 动词-ing
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用法规则:
- be 动词的选择:
I+amHe / She / It / 单个人名+isYou / We / They / 复数名词+are
- 动词-ing 的构成规则:
- 一般情况:直接在动词后加
-ing。do→doing,read→reading - 以不发音的 e 去 e 加
-ing。write→writing,make→making - 以“辅音字母 + y”变 y 为 i 再加
-ing。study→studying,fly→flying - 重读闭音节结尾:双写末尾辅音字母再加
-ing。run→running,swim→swimming
- 一般情况:直接在动词后加
- be 动词的选择:
-
标志词:
now(,look(看),listen(听) - 这些词通常提示动作正在进行。
-
例句:
- I am reading a book. (我正在看书。)
- He is playing football. (他正在踢足球。)
- They are swimming in the pool. (他们正在游泳池里游泳。)
- Look! The cat is running. (看!那只猫正在跑。)
情态动词 Can
can 是一个非常有用的情态动词,表示“能力”和“许可”。
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核心结构:
can + 动词原形
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用法规则:
- 无人称和数的变化:无论主语是
I,he,she,it还是they,can都不变。 - 后面必须跟动词原形。
- 无人称和数的变化:无论主语是
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核心用法:
- 表示能力 (会做某事):
- I can sing. (我会唱歌。)
- She can dance. (她会跳舞。)
- 表示请求 (可以……吗?):
- A: Can I have some water? (我可以喝点水吗?)
- B: Sure. Here you
- 表示能力 (会做某事):