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(共15张PPT)
Unit 3
Same or Different
(Section A Grammar Focus)
Learning objectives
通过本课时学习，我们能够：
1
2
3
总结出形容词和副词比较级的构成方式;
掌握形容词副词比较级的as…as等句型结构;
准确使用形容词及副词比较级的不同句式，提升逻辑思维。
There are more activities this year. It is more colourful than last year.
Emma is taller than Ella, but her hair is shorter than Ella's.
Ella dances better than Emma, but Emma sings louder than her.
Emma always gets up earlier than me, but I work as hard as her!
Read and underline objectives (adj.) and circle adverbs (adv.) .
Grammar Focus
good---better
colourful---more colourful
tall--taller
short--shorter
loud--louder
early--earlier
形容词与be动词连用；
副词修饰行为动词，
并往往位于动词后面。
than
Read the sentences and notice the comparatives in bold.
There are more activities this year. It is more colourful than last year.
Emma is taller than Ella, but her hair is shorter than Ella's.
Ella dances better than Emma, but Emma sings louder than her.
Emma always gets up earlier than me, but I work as hard as her!
Grammar Focus
Comparatives
比较级
Positive
原级
than
than
than
than
than
than
than
Emma is a little than Ella. (quiet)
Ella is than Emma.(funny）
Chen Jie works ________ than Peter.(hard）
Peter is ________ than Chen Jie.(outgoing）
Chen Jie is ________ than Peter. (shy）
Chen Jie plays Chinese flute________ than Peter. (well）
More examples in Section A.
quieter
funnier
more outgoing
shier
harder
better
动词 v.
A
adv.+er
than
B
How to write a sentence with comparatives.
(adj.)
(adv.)
A + be + 形容词比较级 + than + B“A比B更...”
A + 实义动词 + 副词比较级+ than + B “A比B更...”
What are the rules of comparatives
1.一般单音节词
在词尾加 -er
Rules:
more
nicer
2.闭音节词且词尾只有一个辅音字母，双写该辅音字母，再加-er
3.多音节和部分双音节词前加more
4.以辅音字母加y结尾的 双音节词，把y变i，再加-er
5.以字母e结尾的单音节词，在词尾加 -r
6.不规则变化需要单独记忆。
nice
many
heavy
heavier
big
bigger
happy
happier
fine
more important
important
finer
easily
more easily
as
as
Emma works
hard
Ella.
As sly as a fox as strong as an ox
像狐狸一样狡猾像公牛一样强壮
As fast as a hare as brave as a bear
像兔子一样敏捷像熊一样勇敢
As free as a bird as neat as a word
像鸟儿一样自由像词语一样简洁
As quiet as a mouse as big as ahouse
像老鼠一样安静像房子一样宽敞
Ah ...All l wanna be Ah ......All I wanna be
Ohhh ah ...... All I wanna be Is everything
As mean as a wolf as sharp as a tooth
像狼一样卑鄙，像牙齿一样锋利
As deep as a bite as dark as the night
像裂痕一样深，像夜晚一样黑!
As sweet as a song as right as a wrong
像歌曲一样甜蜜，像错误一样正确
As long as a road as ugly as a toad
Everything at Once
用_______比较两者在某一方面相同时，形容词或副词用 _______形式.
A= B-----A+ as +adj / adv的原级+ as +B, “A和B一样”
A＜B---A +not+as/so+形容词原级+as+B, “A不如B…”
as...as...
原级
Ella work as hard as Emma.
Chen Jie is not as outgoing as Peter.
Is Peter smarter than Sam No, he isn't. Sam is smarter than Peter.
Is Ella more outgoing than Emma No, she isn't. Emma is more outgoing than Ella.
Are you more friendly than your sister No, we are as friendly as each other.
形容词比较级的一般疑问句：
Be +A+形容词比较级+than +B A比B...吗？
How to write a Yes/No questions with comparatives.
Does Emma work as hard as Ella Yes, she does.
比较级的特殊疑问句：
Who/Which + be/实义动词+ 比较级, (A or B)
副词原级比较的一般疑问句式：
Does/Do +A+ 实义动词+副词原形 +as +B
Who's more hard-working at school I think Chen Jie works harder than Peter.
Use the words in brackets to write questions and answers.
1. Q:Is Julie slimmer than you (Julie/ slim / you)
A: No, she isn't. She is as slim as me.
2. Q:_________________________________ (you/serious/cousin)
A:No,I’m not. I am____________than he is.
3. Q:_______________________ (Tom/smart/Sam)
A:No, I don’t think so.I think Sam is as______as Tom.
4. ___________________________ (Jack/ swim / fast / Sally)
No, he doesn't. He swims as______as Sally.
Are you more serious than your cousin
less serious
Is Tom smarter than Sam
smart
Does Jack swim faster than Sally
fast
3b
/sl m/ slim
/ s ri s/ 严肃的
Yes/No questions
Look at the chart. Then complete the sentences to compare Chicago. Use the words in the box and than.
Facts
Population (2022) 18.734 million 2.665 million
Area 7,436 square km 589 square km
Average rainfall per year 1,923 mm 910 mm
Average January temperature 16°C -6°C
Average July temperature 31°C 23°C
Chicago
平方千米
毫米
Guangzhou
/ p pju le n/
3c
large small much warm cool
1. The population of Chicago was___________that of Guangzhou in 2022.
2. In area, Guangzhou is____________Chicago.
3. If you don't like rain, you may like Chicago's weather ___________Guangzhou's.
4.Guangzhou has a pleasant temperature in January. It is much __________ Chicago in January.
5. Chicago is___________Guangzhou in July.
smaller than
larger than
better than
warmer than
cooler than
...的人口
修饰比较级

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