Unit 4 Our WorldUnit 4 Our World Topic 1 What’s the strongest Topic 1 What’s the strongest

animal on the farm? animal on the farm?

Section ASection A

爱屋及乌。

Love me, love my dog.

Review:Look and say. What animal can you see?

a sheep

many sheepsome geeselots of mice

a goosea mouse

< <tall

taller tallest

bigbigger

biggest

<<

cutecute

cutecuterr

cutecutestst

<

<

uglier

ugly

ugliest

adj.

tall taller tallest

cute cuter cutest

big bigger biggest

ugly uglier ugliest

原级 比较级 最高级

单音节及部分双音节形容词

• 1 一般在词尾直接加 er/est: tall—taller—tallest • (cheap, clean, bright, deep, young, short, …)

• 2 以 e 结尾的单词加 r/st: wide—wider—widest ( strange, wide, nice, late, close, large, fine, brave … )• 3 以辅音字母加 y 结尾的单词，把 y 改成 i, 再加 er/est:

busy—busier—busiest ( dirty, lazy, happy, easy, early, healthy, heavy,hungry… )

• 4 以重读闭音节结尾，且末尾只有一个辅音字母的单 词，双写末尾的辅音字母，再加 er/est : big—bigger—biggest (fat, thin, red, hot, wet…)

比较级（ - er ）和最高级（ - est ）的规则变化。

单音节及部分双音节形容词比较级（ - er ）和最高级（ - est ）的规则变化。

Adjective strong tall nice brave

Comparative stronger nicer

Superlative strongest nicest

Adjective big fat thin lazy ugly

Comparative bigger lazier

Superlative biggest laziest

thinnerthinnest

uglierugliest

fatter

taller

tallest

braver

bravest

fattest

2b Work alone

单音节及部分双音节形容词比较级（ - er ）和最高级（ - est ）的规则变化。

Adjective wet quiet safe blue

Comparative

Superlative

Adjective happy fresh large lucky

Comparative

Superlative

单音节及部分双音节形容词比较级（ - er ）和最高级（ - est ）的规则变化。

Adjective wet quiet safe

Comparative wetter quieter safer

Superlative wettest quietest safest

Adjective happy fresh large luckyComparative happier fresher larger luckier

Superlative happiest freshest largest luckiest

blue

bluerbluest

sky

air

river

nature

(clear)

beauty

/klɪə / adj.

清澈的；清楚的/'rivə/ n. 河流/'rivə/ n. 河流

/skai/ n. 天空/skai/ n. 天空n. 美丽、美人/ 'bju:ti /

/'neitʃə /n. 自然

(fresh)

(blue)

in the countryside

、、、、、、

•Wang Wei likes the countryside very much. Because he thinks the air is _________, the sky is _______ and the rivers are ________ there.

•Michael thinks the countryside is much _________ than the city, too, so people can enjoy the beauty of nature. Wang Wei goes to the countryside every year for his summer holiday.

1c Listen and fill in the blanks.

•Wang Wei likes the countryside very much. Because he thinks the air is _________, the sky is _______ and the rivers are ________ there. fresher bluer

clearer

quieter•Michael thinks the countryside is much _________ than the city, too, so people can enjoy the beauty of nature. Wang Wei goes to the countryside every year for his summer holiday.

1c Listen and fill in the blanks.

M: what ,you ,thinking about ?

W: thinking ,life, countryside

M ： Do, like, countryside?

W: very much , flesher, bluer, clearer

M: think, much quieter, than, enjoy the beauty of nature

w: my grandma ,live , go ,for my summer

holiday

M:must, fun

Key words

Retell 1a

M: what thinking?

W: life , country

M ： like, country?

W: very much , flesher, bluer, clearer

M: quieter, the beauty of nature

w: grandma ,go ,for

M; fun

Key words

M: what?

W: life

M ： like?

W: … , …er, …er, …er

M:…er, beauty nature

w: grandma ,holiday

M; fun

Key words

M: what?

W: life

M ： like?

…er, …er, …er

M:…er, enjoy

w: grandma ,holiday

M; fun

Key words

W: … ,

The bird is a littlea little smaller than the duck.

<

The bird is muchmuch smaller than the tiger.

<

形容词比较级 :

…be +a little/much+ 比较级 +than…… 一点点

… 得多

>>

The tiger is the biggest of all. of the three.

形容词最高级 :

…be the+ 形容词最高级 +of/in 等短语

（表范围）

in that zoo.

The bird is the smallest of all.

形容词原级：… be+ as+ 原级 +as…

not so/as…as

The hen is as big as the duck.

=big

>>

The tiger is the biggest of all. of the three.

形容词最高级 :

…be the+ 形容词最高级 +of/in 等短语

（表范围）

in that zoo.

The bird is the smallest of all.

(First listen and guess what animals they

are, then make sentences by using three

degrees of adjectives.)

cows/horses strong as…as

I think cows are as strong as horses.

I think ducks are cuter than birds.Practice ：

cats

dogssmarter

I think cats are smarter than dogs.

sheep

hensmuch

thinner

We know hens are much thinner than sheep.

bees busiest of all

I believe that bees are the busiest animals of all.

birds geese mice

as…as

than…

of/in…

Papa, papa, when shall we travel far?

Taking my telescope to see the star.

Baby, baby, taking the map you drew.

Follow me do as I do.

Papa, papa, when shall we travel far?

Taking my telescope to see the star.

Baby, baby, taking the map you drew.

Follow me do as I do.

Project :Where Are You Going, Dad?

Papa, papa, when shall we travel

far?

Taking my telescope to see the

star.

Baby, baby, taking the map you

drew.

Follow me do as I do.

Papa, papa, when shall we travel

far?

Taking my telescope to see the

star.

Baby, baby, taking the map you

drew.

Follow me do as I do.

['telɪskəʊp]

play withriver ,clear

get togethercute

grass greener

hold ,sheep

sky, bluer

food, taste

enjoy

Write to your mothers• Help the kids write a letter to

their mother. Tell their mother something about the grassland.

• Try to use the new words and the degrees of adj.

• Discuss in groups and report it.

Key words:

horse/ hen/ cow/ sheep/ sky/ river/food/hold

clearer/ beauty/ nature /bluer/greener/play with/

enjoy…

Dear Mom, We are so glad to be here . We get together and …

Yours,

Summary Summary

• 1. The comparative and superlative degrees of adjective.

• 单音节及部分双音节形容词比较级（ - er ）和最高级（ - est ）的规则变化。

• 2. Talking about animals and describing the countryside.

Do you know ?

far , little , ill, bad

useful ,friendly , helpful…

delicious ,popular, important …

Homework Homework • 1.Learn more about

Comparative and Superlative Degrees of Adjectives. (such as beautiful \careful\bad…)

• 2.Compare the countryside and the city, write a passage about them.

•Thanks for Thanks for listening! listening! •Goodbye!Goodbye!

爱屋及乌。

Love me, love my dog.