(共15张PPT)
Unit 5 Amazing nature
第2课时 Grammar Rules 单元语法突破
Learning objectives
2
能够运用祈使句谈论娱乐的好处
1
掌握祈使句的运用规则。
目标
Comparison
Tom is tall.
John is taller,
but Mike is the tallest.
Tom
John
Mike
Warm-up
Comparison
bus
train
RV
comfortable
more comfortable
most comfortable
Warm-up
1. The plateau is quieter than the big cities.
2. But we have the best presents from nature.
3. In my heart, it's better than any other place.
4. I'm proud to say that I'm from one of the most beautiful places in the world.
Read the sentences loudly.
Common places
Lead-in
Grammar Focus
形容词、副词的比较级和最高级
一、形容词、副词的比较级和最高级的概念
She sings better than me. In fact, she sings the best in our class.
她比我唱歌好。事实上,在我们班,她唱歌最好。
二、形容词、副词的比较级和最高级的用法
1.变化规则
形容词、副词的比较级和最高级在形式上有规则变化和不规则变化两种。
比较级 “更……”, 用于两者之间的比较,用来说明“前者比后者更……”
最高级 “……是最……的” , 用于三个或三个以上的人或事物进行比较
Grammar Focus
(1)规则变化
口诀 变化规则 例词
直 单音节词,通常直接加er/est tall—taller—tallest
去 以不发音的e结尾,去e,加er/est nice—nicer—nicest
双 辅元辅,倒着数,单元素发音,整个音节重读 big—bigger—biggest
改 以“辅音字母+y”结尾,改y为i,加er/est easy—easier—easiest
加 多音节词,前面加more或most important—
more important —
most important
Grammar Focus
(2)不规则变化
原级 比较级 最高级
good/well better best
many/much more most
bad/badly/ill worse worst
little less least
old older/elder oldest/eldest
far farther/further farthest/furthest
2. 形容词、副词的比较级句型:
(1) “A +谓语动词/系动词+形容词或副词比较级+than+B.”
This boy is younger than I. 这个男孩年纪比我小。
Grammar Focus
【注意】在比较级前有时可加一些修饰语,如 much, a lot, a little, still, even 等以示强调或加强语气。
This box is a little heavier than yours. 这个箱子比你的要稍重一些。
This movie is much more interesting than that one.
这部影片比那部有趣得多。
(2) “A +谓语动词/系动词+the+形容词或副词最高级(范围).”
【注意】在句子前面或后面可以加上表示范围的介词短语或从句。
Of all the students in my class, she writes the most carefully.
在我班里所有的学生中,她写得最仔细。
Practice
longer
higher
highest
Practice
shorter
most famous
slow
faster
high
highest
Work in pairs
Talk about the most beautiful natural place in your opinion.
For example
The most beautiful place in my opinion is my hometown. It is Liao Cheng named “Water city”. It is famous for a beautiful lake called “Dongchang Lake”. The water is always calm, just like a mirror, bright and clear. Words can’t express my love for it. In my heart, it is more beautiful than any other place.
1. Try to remember the sentences with comparatives
and superlatives.
2. Write a short passage about your own hometown.
Homework
Homework
THANKS中小学教育资源及组卷应用平台
教学 课题 第2课时 Grammar rules单元语法突破
课时 教学 目标 1. 能够掌握形容词、副词比较级和最高级的变化规则; 2. 能够运用形容词、副词比较级和最高级谈论奇妙的大自然。
核心 语言 知识 核心句式: (1)It is famous for the world's highest mountain. (2)But this area is also full of the most amazing colours in nature. (3)The plateau is quieter than the big cities.
课堂 导学 ◆Step 1 Warm-up Show a picture of 3 students.Make a comparison to their height. For example:Tom is tall.John is taller,but Mike is the tallest. Then another three.Ask them to write some words on the blackboard.Make a comparison to their handwriting,using good, better and best. Show three pictures of transport,make up 3 sentences,using comfortable,more comfortable and the most comfortable. Lead students to learn rules about comparatives and superlatives. ◆Step 2 Lead-in Task 1 Let the students find the sentences with comparatives and superlatives from the text and read them loudly. 1.The plateau is quieter than the big cities. 2.But we have the best presents from nature. 3.In my heart,it's better than any other place. 4.I'm proud to say that I'm from one of the most beautiful places in the world. Task 2 Ask students to pay attention to their common places and have a summary about the use. ◆Step 3 Grammar focus Task 1 Use a mind map to show some rules about comparatives and superlatives to students.
课堂 导学 Task 2 Ask students to discuss in groups,and share their own understanding with their partners. Task 3 适当拓展 “形容词及副词比较级的句型”: 1.“A +谓语+形容词或副词比较级+than+B” His brother is younger than me.他弟弟比我年轻。 I think Beijing is more beautiful than Wuhan.我认为北京比武汉更漂亮。 【注意】在比较级前有时可加一些修饰语,如much,a lot,a little,still,even等以表示强调或加强语气。 This box is a little heavier than yours.这个箱子比你的要稍重一些。 This movie is much more interesting than that one.这部影片比那部有趣得多。 2.“A +谓语+the+形容词或副词最高级(+范围)” 【注意】在句子前面或后面可以加上表示范围的介词短语或从句。 Of all the students in class,she writes the most carefully. 在班里所有的学生中,她写得最仔细。 ◆Step 4 Practise Task 1 Finish the Activities 6 and 7.About 5 minutes later,check the answers together. Activity 6 1.shorter 2.higher;highest Activity 7 1.shorter 2.most famous 3.slow 4.faster 5.high 6.highest Task 2 Read them loudly. Task 3 Work in plete the thinking map about the most beautiful natural place in your opinion.Use the words and expressions from the reading passage and the Useful expressions to help you. For example:The most beautiful place in my opinion is my hometown.It is Liaocheng named “Water city”.It is famous for a beautiful lake called “Dongchang Lake”.The water is always calm,just like a mirror,bright and clear.Words can't express my love for it.In my heart,it is more beautiful than any other place. ◆Step 5 Summary Ask each individual student to say out what he or she learnt in this class.
板书 设计 Unit 5 Amazing nature Grammar rules——形容词、副词比较级和最高级变化规则
作业 布置 1.Try to remember the sentences with comparatives and superlatives. 2.Write a short passage about your own hometown.
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网(www.21cnjy.com)(共16张PPT)
第2课时 Grammar Rules
单元语法突破
——形容词、副词的比较级和最高级
语法精讲
语法精练
语法精讲
一、形容词和副词的比较级
1.形容词、副词比较级的含义
绝大多数形容词和副词有三个等级:原级(原形)、比较级和最高级。
其中比较级表示“更……”,用于两者(人或事物)之间的比较,说
明“一者比另一者更加……”。
2.形容词、副词比较级的构成
规则 示例
规则 变化 一般在词尾加-er great→greater hard→harder
以字母e结尾的词,在词尾加-r nice→nicer large→larger
以重读闭音节结尾的形容词,如末尾只有一个辅音字母,应先双写该字母,再加-er big→bigger hot→hotter
以“辅音字母+y”结尾的形容词,先变y为i再加-er happy→happier easy→easier
多音节词和部分双音节词前面加more difficult→more difficult
important→more important
quickly→more quickly
不规 则变化 ill/bad/badly→worse good/well→better little→less many/much→more far→farther/further 3.比较级的常用句型结构
(1)“主语+系动词+形容词的比较级+than+对比成分”或“主语+实义动词+副词的比较级+than+对比成分”意为“……比……更……”。
She is older than me.她比我大。
I run faster than her.我比她跑得快。
(2)“the+比较级+of the two…”意为“两个……中比较……的那个”。
The taller of the two boys is my brother.两个男孩中较高的那一个是我的哥哥。
(3)“比较级+and+比较级”或 “more and more+原级(多音节词或部分双音节词)”意为“越来越……”。
The day is getting cooler and cooler.天气变得越来越凉爽了。
The flowers are more and more beautiful.花儿越来越漂亮了。
(4)“the+比较级,the+比较级”意为“越……,就越……”。
The more careful you are,the fewer mistakes you’ll make.你越仔细,犯的错误就越少。
(5)“Which(Who)+谓语动词+比较级…,A or B ”意为“哪一个/谁更……,A还是B ”
注意:
①表示两者在某一方面相同时,用“as+形容词或副词原级+as”句型。
I think science is as important as maths.我认为科学和数学一样重要。
②表示一方在某一方面不及另一方时,用“not as/so+形容词或副词原级+as”句型。
It is not as/so warm today as yesterday.今天不如昨天暖和。
4.常见的修饰形容词、副词比较级的前置词
比较级之前可以用much,far,a bit,a little,even,still等词修
饰,用以加强语气。
His hair is much longer than mine.他的头发比我的长得多。
二、形容词和副词的最高级
1.形容词、副词最高级的用法
形容词、副词最高级用于三者或三者以上的人或事(物)之间的比
较,意为“最……”。
2.最高级的常用句型结构
the+最高级+in/of短语,表示“在……中最……” Jim is the tallest in his class/of all the students.
吉姆是他班上/所有学生当中个子最高的。
“Which/Who+谓语动词+最高级…,A,B or C ”表示“A、B和C中哪一个/谁最……” Who runs fastest,Bob,Mike or Nick
鲍勃、迈克和尼克,谁跑得最快
one of+the+最高级+名词复数,表示“最……之一” China is one of the oldest countries in the world.
中国是世界上最古老的国家之一。
the+序数词+最高级+单数名词,表示“第几最……” The Yangtze River is the third longest river in the world.长江是世界第三长河。
the+最高级+(that)从句,表示“是……中最……的” It’s the funniest movie that I have ever seen.
它是我看过的最有趣的电影。
3.比较级表达最高级含义的句型
(1)比较级+than any other+单数可数名词
He is taller than any other boy in his class.他比班里的其他任何一个男孩都高。
(2)比较级+than the other+复数名词
She is smarter than the other students in our class.她比我们班其他学生都聪明。
注意:形容词最高级前需加the,副词最高级前的the可省略。
语法精练
Ⅰ.用括号内单词的正确形式填空
1.The little monkey is (clever) animal in
the zoo.
2.Gold is (little) useful than iron(铁).
3.My sister is two years (old) than me.
4.She will be much (happy) in her new house.
5.She is (calm) than her friend.
the cleverest
less
older
happier
calmer
6.Lucy is (outgoing) of all the girls.
7.Li Lei is (young) boy in his class.
8.Linda dances ,and she dances than me.
(well)
9.He lives (far) away from the school than I do.
10.Tom is (tall) one of the two boys.
the most outgoing
the youngest
well
better
farther
the taller
Ⅱ.阅读下面短文,在空白处填入括号内单词的正确形式
Sarah is 12 years 1. (old).She is one year
2. (old) than me.But I am 0.1 metres 3. (tall) than her.She studies in Guangzhou International School.She studies 4. (hard) and also is 5.
(beautiful) in her class.Everyone likes her.Yesterday,she was ill.She took some medicine and she feels much 6.
(well) now.
old
older
taller
hardest
the most beautiful
better
