8年级上册3单元比较级课件

big----bigger
hot----hotter
4. 部分双音节词和多音节词在前面加more
expensive----more expensive
5. 部分形容词不规则变化
good----better
Sentence pattern(句子结构）:
表示两者比较的常用结构（A和B比较）： A+be动词+形容词的比较级+than +B 如： I’m taller than you.
She is …than …
1b. Listen and number the pairs of the twins in the picture (1-3).（听录音，给下列双胞胎编号1-3）
1 2
3
❖Compare with the teacher and other students.（与老师和同学比比看）
Match each word with the opposite.(搭配 反义词）
tall
short hair
long hair
small
thin
heavy
big
short
Look and practise.
❖ This ruler is long. ❖ That ruler is longer.
Mr. Zhang
❖
Mr. Black
❖ Mr Zhang is heavy. ❖ Mr. Black is heavier.
❖ This bag is big. ❖ That bag is bigger.
❖ This pen is expensive. ❖ That pen is more expensive.
You are thinner than me. This ruler is longer than that one.
quiet
quieter
Liu Xiang is quiet . Lu Yi is quieter. Lu Yi is quieter than Liu Xiang.
48kg
Lin Xinru is thin.
45kg
Liu Yifei is thinner.
Liu Yifei is thinner than Lin Xinru.
outgoing
Cheng Long is outgoing. Li Yong is more outgoing Li Yong is more outgoing than Cheng long.
Distinguish them（区分他们）：
A: Is that Zhou Xingchi ? B: No, it isn’t. It’s Yao Ming .
He is taller than Zhou Xingchi.
A: Is that …? B: No, it isn’t. It’s…
形容词比较级的构成：
1. 单音节形容词后加-er，以不发音的e结尾加-r
short----shorter nice----nicer
2. 辅音字母+y结尾的双音节词，改y为i加-er
heavy----heavier happy--happier
3 末尾是辅元辅结构，且重读，双写末尾的辅音字母再加-er
She is taller than me. She has longer hair than me. She wears glasses/ a blue jacket… Who is she?
❖ 如：I’m shorter than you.
❖
I have longer hair than you .
I’m more outgoing than you.
你描述，大家猜：他/她是谁？
Describe one of your classmates, then let other students guess who he/she is?
Unit 6 I’m more outgoing than my sister.
Section A (1a-1c)
outgoing 外向的，友好的
serious
严肃的funny滑源自的smart 聪明的❖ They’re twins(双胞胎）. ❖ They are quiet（沉默寡言的）.