(共16张PPT)
人教版英语
Unit 7 What’s the highest mountain in the world
Section A Grammar Focus - 3c
人教版英语
Pre-class Test
1. 深的deep—shallow(反义词)2. 亚洲Asia (名词)—Asian (形容词)3. 旅游tour (动词)—tourist (名词)旅行者 4. 使惊奇amaze(动词)—amazing/amazed (形容词)5. 实现achieve (动词)—achievement (名词)6. 西南southwest—southwestern (形容词)7. 包括 include—included (过去式)8. 结冰freeze (动词)—freezing (形容词)9. 成功succeed(动词)—success(名词)—successful (形容词)
1. feel free to do (可以)随便(做某事)2. as far as I know 就我所知3. in the face of 面对(问题、困难等)4. take in 吸入;吞入(体内)5. even though(=even if) 即使;虽然
7. square kilometers 平方公里8. the population of the US 美国的人口9. as big as 和……一样大10. one of the oldest countries 最古老的国家之一11. man-made objects 人造物体12. one of the world’s most dangerous sports世界上最危险的运动之一13. one of the most popular places最受欢迎的地方之一14. run along the southwestern part of China绵延中国西南部分15. risk one’s life 冒着生命危险16. one of the main reasons 主要原因之一17. challenge oneself 挑战自己18. the spirit of ……的精神19. achieve one’s dream 实现梦想20. the forces of nature 自然的力量
Learning goals
1. To learn some new words:
ocean 学习新词【重点】
2. Learn ① 大数字的表达和读法;
② 形容词副词的比较级和最高级复习【重点,难点】
8,844.43
30,000
7,000
eight thousand eight hundred and forty-four point four three
thirty thousand
Can you read these large numbers
seven thousand
61,021
sixty-one thousand and twenty-one
Grammar Focus
thousand 千
million 百万
billion 十亿
point 点
hundred 百
Group-learning Tasks (10mins)
Task1: 形容词副词有哪三级?分别比较几者?比的时候要注意什么?
Task2: 形容词/副词最高级变化规则是什么?
Task3: 形容词/副词最高级有哪些常用句型?
回忆以前学习过的内容。
Grammar Focus
形容词副词有三个等级
原级
比较级
最高级
Grammar Focus
两者间
“一样...”
两者比
“更...”
三者及以上比
“最...”
注意:几个比较对象要一致
I paly games as well as a pupil. 我游戏玩得和小学生一样好。
When I play games, I am as happy as a 200-gram fat man.
当我玩游戏的时候,我像个两百斤的胖子一样开心。
But I am not as/so good as 7Vvv. 但是我没有7Vvv好(但是我和7Vvv不样好)。
一、同级比较句型
(1)as + adj./adv. + as: 和...一样
(2)not + so/as + adj/adv. + as:和… 不一样
Grammar Focus
二、比较级和最高级的变化规则
1. 规则变化
单音节和部分双音节词 多音节词和部分双音节词
一般在词尾直接加 er或-est 以e结尾的,加-r或 -st 以“辅音字母+y”结尾的,改y为i加-er或-est 辅元辅,双写这个辅音字母后加 -er或-est 1. 三个音节以上,
2. ed/ing结尾的,
加more/most
long→longer→longest nice→nicer→nicest heavy→heavier→heaviest big→bigger→biggest beautiful→
more beautiful→
most beautiful
Grammar Focus
原级 比较级 最高级
good/well better best
many/much more most
bad/badly worse worst
little less least
far farther/further farthest/furthest
Grammar Focus
二、比较级和最高级的变化规则
2. 不规则变化
(1)比较级 + than + B“A比B更...”
China is larger than Italy. 中国比意大利大。
(2)less+原级+than + B“A不如B...”
The book is less interesting than that one. 这本书不如那本书有趣。
(3)The+比较级…, the+比较级…: “越…,就越…”
The more games you play, the worse your grades get.你游戏玩得越多,成绩就越差。
(4)短:比较级+and+比较级 “越来越…”
长:more and more+原级
Our country is becoming stronger and stronger. 我们的国家正变得越来越强大。
Our school is becoming more and more beautiful. 我们的学校变得越来越美丽了。
(5)倍数(数字+times)+比较级+than + B “是…的几倍”
This box is three times bigger than that one. 这个箱子是那个的三倍大。
(6)比较级 + than + any other + 可数名词单数: “比其他任何都...”
= 比较级 + than + the other + 可数名词复数 = 最高级 + 可数名词单数
The Nile is longer than any other river in the world. 尼罗河比世界上其他任何一条河都长。=The Nile is longer than the other rivers in the world.=The Nile is the longest river in the world.
三、比较级句型
Grammar Focus
【注意】修饰比较级程度:a little, a bit, much, even, a lot, far
Grammar Focus
四、最高级句型
1. the+最高级 + in/of + 比较范围 :“在…中最…的”
Mary is the quietest of all my friends. 玛丽是我朋友中最安静的。
2. one of the + 最高级+可数名词复数 “最...的之一”
Hangzhou is one of the most beautiful cities in the world. 杭州是世界上最美丽的城市之一。
3. the + 序数词 + 最高级 + 可数名词单数 “第几…的”
Shanghai is the second biggest city in China. 上海是中国第二大城市。
4. 疑问词 + be/动词 + the + 最高级, A, B or C?“ABC中,哪一个最...”
Who runs the fastest, Lily, Lucy or Ben 谁跑得最快,莉莉,露西还是本
【注意】形容词最高级前要加the,副词最高级前的the可省略;
最高级前有物主代词、指示代词、名词所有格时,不加the
The Yangtze River is China’s longest river. 长江是中国最长的河流。
1. The Amazon River is one of the _________ rivers in the world. It’s a little ________ than the Yangtze River.
2. Qomolangma is 8,844.43 meters _______. It’s one of the most __________ places for serious mountain climbers.
3. No ocean in the world is as ________ as the Pacific Ocean.
4. Although Japan is _______ than Canada, it is ________ smaller.
Fill in the blanks with the correct forms of the words in the box.
4a
big
much
popular
long
old
high
longest
longer
high
popular
big
older
much
太平洋
n. 大海,海洋
Grammar Focus
注意看原级、比较级、最高级的标志词
Test
仔细,认真!相信你一定可以完成得很好!加油!
Take a test and see how much you have mastered.
Summary
Word and Expression
Grammar
ocean
大数字的表达和读法
billion
million
the Pacific Ocean
thousand
hundred
读的时候通常在hundred后加and,如果百位数为0,则在thousand后加and。
Summary
形容词和副词的最高级
构成
规则变化
不规则变化
加后缀 -est
前面加 most
用法
(the+)最高级+in/of短语
one of the+最高级+可数名词复+in/of短语
the+序数词+最高级+可数名词单+in/of短语
Which/Who…+最高级, A, B or C
【特别提醒】最高级前有物主代词、名词所有格等修饰时,其前不加the。
当most表示“非常”时,其前不加the。
Summary
形容词和副词的比较级
构成
规则变化
不规则变化
加后缀 -er
前面加 more
比较级表示最高级
比较级+than any other+可数名词单数
比较级+than the other+可数名词复数
可用于修饰形容词和副词比较级程度的副词(短语)有: much, a little, even, a lot, a bit, far等。
形容词和副词的原级
as+形容词/副词原级+as 表示双方在程度、性质、特征等方面一样。