Lesson43 It’s the tallest animal in the world 北京市第十四中学大兴安定分校 韩秀英.

Lesson43 It’s the tallest animal in the world

北京市第十四中学大兴安定分校

韩秀英

复习

练习

句型

Lesson43 It’s the tallest animal in the world

The cheetah is the fastest animal. The blue whale is the largest animal.

The giraffe is the longest animal. The elephant is the heaviest animal.

Hello! I’m Lily. I’m fourteen.

Mary is younger than Lily.

Oh, I’m Mary. I'm

nine.

Katy is the youngest of three.

Lily is young.

Er, I’m Katy, I’m six.

The rabbit is smaller than the dog.

The dog is small.

The mouse is the smallest of three.

The apple is bigger than that one

The apple is big.

The apple is the biggest of three.

heavyheavier heaviest

The elephant is heavy.

The elephant is heavier than that one.

The elephant is the heaviest of three.

expensive

The car is expensive.

The car is more expensive .

The car is the most expensive of all.

goodThis TV is good.

This TV is better than that one.

This TV is the best of three.

better

best

构成 :一 规则变化

1 一般在词尾加 er 或 est 如： taller , tallest2 以 e 结尾加 r 或 st 如 larger , largest

3 重读闭音节并以一个辅音字母结尾的双写 末尾字母加 er 或 est

如 bigger biggest 4 以辅音加 y 结尾的 变 y 为 i 再加 er 或 est 如 heavier , heaviest

5 多音节和部分双音节词在前面加 more , the most

如 more beautiful , the most beautiful

二 不规则变化原级good / well

ill/badlittlemany/much

比较级 最高级better bestworse worstless leastmore most

写出下列词的比较级和最高级

large----high----heavy---thin-----hot----difficult----important---much-------bad------

比较级

largerhigherheavierthinnerhotter

more difficultmore important

moreworse

最高级

largesthighestheaviestthinnesthottest

the most difficultthe most important

mostworst

Which is better, or ?

Which is the best, , or ?

Which is + 形容词比较级， A or B?

Which is the + 形容词最高级， A, B or C?

重点句型

句型

训练

一 用所给词的正确形式填空1 Tom is _______ (thin) than Peter.2 The red pen is _______ (short) than the blue one.3 This box is ______ (large) than that one.4 Lesson 10 is __________________ (difficult) in this book.5 Which do you like ______ (well),the yellow one or the green one.6 Beijing is one of the _____ (old)cities in China.7 Mike is _______(tall) than any other boys.

thinner

shorter

largerthe most difficult

better

older

taller

贰 根据中外提示完成下列句子。

1 长城是最长的墙。 The Great Wall is ____________________.

2 这本书比那本书贵。 This book is ____________________ than that one.

3 你最喜欢这些花中哪朵花？ __________________________ in these flowers?

4 李明是我班最高的学生之一。 LiMing is _____________________ in our class.

5 这课是这本书中最有趣的。 This lesson is ______________________ in this book.

the longest wall

more expensive

Which do you like best

one of the tallest

the most interesting