八年级上册_unit3单元课件

The rabbit runs faster than the turtle. The turtle runs harder than the rabbit.
Summary
Compare A 3; than + B. A + V. + adv.比较级 + than + B.
比较级和最高级
大多数形容词和副词有三个等级： 原级、比较级、最高级。 一、构成 1. 构成的不规则变化: eg. good / well – better – best
bad / badly – worse – worst many / much – more – most little – less – least far – farther / further – farthest/ furthest
3) 重读闭音节词末尾只有一个辅音字母 时, 先双写这个辅音字母, 再加-er或-est。 如: big – bigger – biggest
thin – thinner – thinnest 4) 以“辅音字母+ y”结尾的双音节词，
先改y为i, 再加-er或-est。如： easy – easier – easiest happy – happier – happiest
Liu Xiang is tall. Pan Changjiang is short.
Liu Xiang is taller than Pan Changjiang. Pan Changjiang is shorter than Liu Xiang
Cheng Long is outgoing. Li Yong is more outgoing. Li Yong is more outgoing than Cheng long.
Adjectives
long good tall heavy short outgoing friendly funny hard-working smart lazy
Adverbs
well loudly fast high early hard clearly
Grammar: 形容词和副词的
funny (run)fast friendly (jump)high Outgoing (work)hard hard-working smart (get up)early lazy
-er/-ier
friendly funny fast high hard
smart lazy
early
more
outgoing hard-working
用以修饰动词或加强描绘词组或整个 句子的词。
He sings well. He runs fast.
Try to find out the adjectives and adverbs in Section A of Unit3.
Now try to write out their comparative forms.
smart—smarter funny—funnier wild—wilder tall—taller many—more much—more well—better long—longer short—shorter small—smaller
两者之间比较，用形容词或副词的比 较级
than 比 (conj .连词).
3
1c. Pairwork
No, it isn’t. It’s Tina. Tina is taller than Tara. And she also sings more loudly than Tara.
That’s Tara, isn’t it?
Tara Tina
2a. Listen. Are the words in the box used with “-er/ier” or “more”?
big— thin— large— nice— easy— heavy— good— bad—
funny— wild— tall— many— much— well— long— short— small—
Read in pairs
new—newer big—bigger thin—thinner large—larger nice—nicer easy—easier heavy—heavier good—better bad—worse
2b. Listen again. How are Tina and Tara different? Fill in the charts.
1a. Match each word with its opposite!
tall
loudly
thin long hair quietly
short hair heavy short
1b Listen and number the pairs of twins in
the picture.
1 2
二. 构成的规则变化:
1.单音节词和少数双音节词 1) 一般在词尾后加-er 或-est. 如：
cold – colder – coldest tall— taller – tallest 2)以e结尾的词直接在其后加-r或-st.如： nice — nicer – nicest white — whiter – whitest
Unit 3
I’m more outgoing
than my sister.
Section A
形容词 adj. He is tall.
He is a tall man. 形容词(adjective)，简称adj.。形容词 用来修饰名词或代词，表示人或事物的性 质、状态，和特征的程度好坏，与否。
副词(adverb)
2. 多音节词和部分双音节词在词前加 more或most。如：
delicious – more delicious – most delicious
interesting – more interesting – most interesting
Comparative forms
new—
smart—