形容词比较级和最高级的正确使用 教案

形容词比较级和最高级的正确使用教案教学目标形容词和副词的区别；形容词比较级和最高级使用。

重点难点形容词比较级和最高级的正确使用。

I.Warm up

1. taxi, to railway station

2. a lower price

3. ask to push

4. get off

5.drive away

形容词与副词的区别

注意下面的词：

quick quickly thirsty thirstily careful carefully She runs . (quick)

She smiled . (pleasant)

I am .

She is drinking

We should be .

She went across the road .

He feels .

He cut himself .

He is .

He worked .

He gets .

He said .

II.比较级

总结：形容词用法回顾

One New Y ear’s Day, we put on our new clothes.

I have something important to tell you.

Pandas will have enough food to eat.

Planes will be very large.

The rich should help the poor.

III.形容词比较级和最高级

A.变化规则

a.tall→→，long→→, short→→

b.nice→→, fine→→, large→→

c. big→→，hot→→

d.busy→→, easy→→

e. boring→→，exciting→→

f. 不规则变化

原级比较级最高级

good (好的)

well(健康的, 舒服的)

bad (坏的/糟糕的),

ill (病的)

many/much (多的)

Little (少的，小的)

old (老的/大的, 旧的) (较老/大/旧的, 更老/大/旧的)

(较老/大的，更老/大的，仅

(最老/旧的)

(最老/大的, 仅

用于兄弟姐妹间) 用于兄弟姐妹间)

far(远的) farther (较/更远的)

further (进一步的)

farthest (最远的)

furthest (最远的)

(2) 比较级和最高级使用

1. Shanghai is an city than HK.(old)

2. He is the of the two students.(young)

3. He is the of the three.( old)

4. Which pen is , the green one or red one?

2．句子使用比较级的三大标志：

a. 当句中含有than一词时, 句子一般使用比较级, 构成形式为: “形容词比较级+than…. ”,

意为:“比…更加……”. 有时如果说话双方都明白句子含义时，也可没有than一词. (less是little的比较级，也可用于比较级中，放在形容词原级前, 意为: “较不……”或“没有那么……”) He is taller than his brother.

There are more students in Class One than in Class Two.

Lucy has more books th an Andy.

Mr Li looks older than Mr. Ma

Shanghai is an olde r city than Hong Kong.

---Let’s go to the new restaurant tonight.

---We can cook it at home. It’s less expensive.

Mary is less clever than Tom.

The Yangtze River is longer than any other river in China.

b. 当句中含有…., A or B? 时，句子一般使用比较级。

(58). Which pen is newer, this one or that one?

(59). Which is better, the red one or the green one?

c. 当句中含有of the two (+n) 时，句子一般使用比较级。

(60). He is the younger of the two students.

3. 句子使用最高级的四大标志

a. 当句中含有表示范围的介词in….时，句子一般使用最高级。要注意：如果句中有than一

词，那么即使句中有in……, 句子仍然必须用比较级。

He is the tallest in his class.

He is the strongest student in our class.

The Yangtze River is longer than any other river in China.

b. 当句中含有表示范围的介词of …时，句子一般使用最高级。

He is the tallest of the three. He is the oldest of all the students.

This apple is the biggest of the five.

c. 当句中含有one of the……时，句子一般使用最高级。one of the + 形容词最高级+

复数名词, 表示"最……的……之一"。

The Y ellow River is one of the longest rivers in China.

Beijing is one of the largest cities in China.

d. 当句中含有…, A，B or C ? 时，句子一般使用最高级。

Which is the biggest, the sun, the earth or moon?

Which country is the largest, China, Brazil or Canada？

1）填空

1. Which is ___________(heavy),the elephant or the pig?

2. Who gets up _________(early),Tim or Tom?

3. My eyes are __________(big) than ________ (she).

4. Jim runs _____(slow).

5.Ben ______ (jump) ________ (high) than some of the boys in his class.

6.________ Nancy sing __________ (well) than Helen? Y es, she _____.

2）口语练习

A

B