Grammar第二课时教学实录

Book 1

Module 5

A Lesson in a Lab

Period Three

Grammar 1 and Grammar 2 自主预习

用其他形式表达第一个句子。

A: The Yangtze River is about three times as long as the Songhua River. B: _______________________________________________________________ C: _______________________________________________________________ A: Mount Qumolangma is about six times as high as Mount Tai. B: ________________________________________________________________ C: ________________________________________________________________ A: Winter in Harbin is four times as cold as in Beijing. B: ________________________________________________________________ C: ________________________________________________________________ 合作探究

STEP1 Grammar 1. 1.

Check the answers in pre-class and help students find the structure about degree of comparison from the exercise. 2.倍数表达方式

1）

A+be+… times +比较级＋than +B 2)

A+be+…times +as+adj./adv.+as +B 3)

A+be+… times +the +量词

(size, height, length, weight, width) of B 3. Complete the sentences according to the chart. Diameter(直径）

Distance from the sun Earth 1 1 Mars 0.5 1.5 Jupiter 11 5 1). Mars is __________________ the earth. (big) 2). Jupiter is _________________from the sun than the earth. (far) 4. Finish activity 2 on P43. 5. 语法拓展。

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1). 同级比较：as + adj./adv.+ as

the same + n. + as

not so (as)+ adj./adv.+ as 和…不一样（否定）．

牛刀小试He is as old as me. =_____________________ 2). 比较级结构：adj./adv. 比较级＋than

表示一方超过另一方

less adj./adv. 原级＋than 表示一方不及另一方

STEP2Grammar 2. 1. 观察图片给出结论：

1). It’s becoming ______ and ______.

2). She is _____ and _____ beautiful.

3). The ______ it flies, the ______ it appears.

2. 比较级结构：

1). “越来越……”

A单音节或部分双音节形容词/副词的比较级+单音节或部分双音节形容词/副词的比较级

eg. taller and taller B more and more+多音节形容词和部分双音节形容词

eg .more and more beautiful 2).“越……,越……”

The +形容词/副词的比较级+主+谓, the +形容词/副词的比较级+主+谓

牛刀小试Pair work: Look at the passage and conclude the sentences structure. In the National Day holidays, I went back to my hometown to see my uncle. He was very happy to see me and said I was growing

______________ .(tall)I was surprised to see that

my

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hometown was getting ___________________(beautiful) and the farmers were ______________.(rich) Seeing my amazed look ,Uncle smiled and said ,“The more money you make , _______you spend.”(much)After lunch, I decided to return. Uncle asked me to work hard. He said, “The harder you work at your lessons, _______you will do in them.” (well)

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