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教学课件
沪外教英语八年级上册
Unit1 语法专项—— 冠词 a/an/the & 零冠词
全解精讲+分层练习
1
学习目标
1.掌握不定冠词 a / an 的用法与发音区别
2.掌握定冠词 the 的6种核心用法
3.掌握零冠词(不加冠词)的4种常见情况
4.能区分泛指、特指、复指、独一无二事物
5.能完成填空、选择、改错等各类题型
冠词总览
英语冠词共三类:
1.不定冠词:a / an(泛指一个)
2.定冠词:the(特指这个/那个)
3.零冠词:/(不加冠词,表泛指整体)
作用:限定名词,表达“一个/这个/某些”
所有冠词都不能单独使用,必须搭配名词
不定冠词 a / an — 核心含义
a / an 表示“一个”,泛指某类人或物
用法1:第一次提到某人/某物 例:I saw a bear in the forest.
用法2:表示一类事物(单数表整体)
例:A butterfly is a beautiful insect.
用法3:表示“每一”(频率/单位) 例:twice a week, 60 miles an hour
a 和 an 的真正区别(只看发音)
只看开头音素,不看字母!
a + 辅音音素开头
a bird, a useful tool, a university, a European cat
an + 元音音素开头
an insect, an elephant, an hour, an honest boy
易错:hour / honest / unusual 前用 an
a / an 发音小练习
判断用 a 还是 an:
1.______ tiger 2.______ island 3.______ useful book
4.______ elephant 5.______ hour 6.______ amazing animal
答案:a, an, a, an, an, an
定冠词 the — 核心含义
the 表示“这个/那个/这些/那些”,特指
用法1:再次提到前面出现的人/物(复指)
例:I saw a fox. The fox was clever.
用法2:说话双方都知道的事物
例:Close the window, please.
the 的用法(3–4)
用法3:独一无二的事物
the sun, the moon, the world, the sky
用法4:最高级、序数词前
the largest, the first, the most beautiful
例:The whale is the biggest animal on Earth.
the 的用法(5–6)
用法5:特指某一范围内的群体
the animals in this zoo
用法6:特殊地理名词
the Antarctic, the Arctic, the ocean
固定搭配:in the world, all over the world
the 用法小结
1.复指前文 → the
2.双方都知道 → the
3.独一无二 → the
4.最高级/序数词 → the
5.特定群体 → the
6.特殊地理 → the
零冠词(不加冠词 /)
零冠词:名词前不写任何冠词
用法1:复数名词泛指一类事物
例:Bees make honey.
用法2:不可数名词泛指物质/概念
例:Water is important for life.
零冠词用法(3–4)
用法3:专有名词(人名、地名、大洲、国家)
例:Africa, China, Tom
用法4:泛指身份、群体、抽象概念
例:animal lovers, nature, wildlife
提示:复数泛指永远不加 a/an
三类冠词对比(核心表格)
类型 含义 搭配 例子
a/an 泛指一个 单数可数 a panda
the 特指/复指 所有名词 the panda
/ 泛指整体 复数/不可数 pandas
高频易错对比(1)
泛指一类:
A panda is cute. = Pandas are cute.
特指某只:
The panda is eating bamboo.
错误:Panda is cute.
高频易错对比(2)
不可数名词:
honey, water, milk, meat
泛指不加冠词:Honey is sweet.
特指加 the:The honey in the jar is sweet.
高频易错对比(3)
独一无二:the sun, the moon
大洲/国家:Africa, China(不加the)
极地:the Antarctic, the Arctic(必须加the)
冠词使用口诀(必背)
泛指单数用 a/an,
特指双方都熟悉用 the。
独一无二最高级,前面一定加 the。
复数泛指不用冠,
不可数名词泛指零冠词。
习题1:单项选择
1.This is ______ useful book about animals.
A. a B. an C. the D. /
2.The blue whale is ______ largest animal in ______ world.
A. a; a B. the; the C. /; the D. the; a
3.______ elephants are very smart animals.
A. A B. An C. The D. /
A
B
D
习题1:单项选择
4.We can see ______ sun in the sky.
A. a B. an C. the D. /
5.He goes to the wildlife park twice ______ month.
A. a B. an C. the D. /
6.______ Antarctic is very cold all year.
A. A B. An C. The D. /
C
A
C
习题2:用 a / an / the / ∅ 填空
1.The bee is ______ insect.
2.It has _____ yellow body.
3.______ bears live in forests.
4.______ bear I saw yesterday was big.
5.We need ______ water to live.
an
a
∅
The
∅
习题2:篇章填空
Many people love 1______ nature. One of 2______ most popular places is 3______ zoo in London. You can see 4______ lions, tigers and many 5______ rare animals. It is 6______ great place to learn about 7______ wildlife.
∅
the
a
∅
∅
a
∅
习题3:判断正误并改错
1.( ) An lion is a dangerous animal. → ________
2.( ) I have a cat. A cat is white. → ________
3.( ) Water is important for all living things. → ________
4.( ) The Africa is a hot continent. → ________
5.( ) He is an honest boy. → ________
×
An → A
×
A → The
√
×
去掉 The
√
习题4:句型转换
1.A wolf is a wild animal.(改为复数泛指)
→ ________ are wild animals.
2.I saw a bird. The bird was colourful.(合并)
→ I saw ________ ________ ________ that was colourful.
3.Butterflies fly in spring.(改为特指)
→ ________ ________ in my garden are beautiful.
Wolves
a colourful bird
The butterflies
习题5:翻译填空
1.老虎是一种危险的动物。
______ tiger is ______ dangerous animal.
2.世界上最大的动物是蓝鲸。
______ biggest animal in ______ world is the blue whale.
A a
The the
课堂小结1:a / an
1.表“一个/一类/每一”
2.只搭配单数可数名词
3.a + 辅音音素;an + 元音音素
4.首次提到、泛指用 a/an
课堂小结2:the
1.特指、复指、双方知道
2.独一无二、最高级、序数词
3.特定群体、特殊地理名词
4.固定搭配必须记牢
课堂小结3:零冠词
1.复数名词泛指一类
2.不可数名词泛指
3.人名、地名、大洲、国家
4.泛指身份/抽象概念
课堂小结4:做题三步法
1.看名词:单数/复数/不可数
2.看含义:泛指/特指/复指
3.看搭配:固定短语/最高级/地理
4.检查:a/an 看发音,the 看特指
常见错误提醒
1.复数前不加 a/an
2.hour / honest 前用 an
3.不可数名词泛指不加 the
4.大洲/国家前不加 the
5.独一无二必须加 the
教学课件
Unit1 语法专项—— 冠词 a/an/the & 零冠词
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