Grammarppt课件教学实录

Periods 2 Vocabulary and Speaking, Grammar 1 & 2

Teaching Goals:

1. To get Ss to have knowledge of this grammar point: Degrees of comparison; 2. To enable Ss to read some large English numbers. Teaching procedures: Step 1 Revision

Check the Workbook Reading Exercises on page 93-94. Step 2 Vocabulary and Speaking Purpose: To help Ss master the rules of reading English numbers. 1. (Group Work) Ask Ss to read the numbers on the screen.

1

20

300

4,000

50,000

600,000

7,000,000

80,000,000

900,000,000

1,000,000,000 Suggested answers: We write 1 20 300 4,000 50,000 600,000 7,000,000 80,000,000 900,000,000 We say one twenty three hundred

four thousand

fifty thousand

six hundred thousand

seven million

eighty million

nine hundred million

1,000,000,000 one billion

(Please pay attention to the bold face. That’s the unit of the numbers.) 2. (Individual Work) Ask some Ss to write some numbers on the blackboard while the teacher says some numbers. The more he / she get, the higher scores he / she get.

(1) three hundred and forty-five

(2) two thousand seven hundred and eighty-nine

(3) ninety-eight thousand four hundred seventy-three

(4) a hundred thousand eight hundred and eighty-eight

(5) fifty-two million four hundred seventy thousand three hundred eighty-three Suggested answers: (1) 345

(2) 2,789 (3) 98,473 (4) 100,888 (5) 52,470,383 3. (Pair Work) Ask Ss to look at the numbers in Activity 1 on page 42. There are two mistakes. Let them to find them out. Suggested answers: 52,470,383 should be said“fifty-two million, four hundred and seventy thousand, three hundred and eighty-three”. 100,000,000 should be said one hundred million.

4. (Pair Work) Ask Ss to look at the fractions and think over how to read the fractions. Suggested answers: The upper ones are cardinal numbers and the lower ones are ordinal numbers. 5. (Individual Work) Practice: Ask Ss to read these fractions in English: 1/5, 2/9, 3/8, 4/7, 5/6. Suggested answers: 1/5: a fifth / one fifth 2/9: two-ninths 3/8: three-eighths 4/7: four-sevenths 5/6: five-sixths 6. (Pair Work) Describe the fractions in Activity 2 as percentages. Suggested answers: A fifth is the same as 20%. Two-ninths is the same as 22.22% (twenty-two point two two recurring percent). Three-eighths is the same as 37.5%. Four-sevenths is the same as 57.14%. Five-sixths is the same as 83.33% ( eighty-three point three three recurring percent). 7. (Pair Work) Ask Ss to finish Activity 4 on page 43. (Work in pairs to take turns asking and answering the questions.) Suggested answers: (1)

3，000，000 (2) 48，046，000 (3) 50，000，000 (4) 265，693，096 (5) 750，375，000 (6) 80,000,000 Step 3 Grammar 1 Purpose: Let Ss know how to use the comparative degree. 1. (Group Work) Ask Ss to express the meaning of the following pictures.

(1)__________________________________________________.

A

B

Line a: Line b:

(2) ___________________________________________.

A

B (3) __________________________________.

Suggested answers: 1) Triangle A is bigger than Triangle B. 2) Line b is two times as long as Line a. 3) Rabbit A is as big as Rabbit B 2. (Pair Work) Ask Ss to summarize the sentences patterns of comparison. Suggested answers: 

as + 原级

+ as; not as + 原级

+ as

Eg He likes her as much as he likes his sister. (他很喜欢她，同喜欢他的姐妹一样。)

It is not as hot in Beijing as in Wuhan. （北京没有武汉热。）



比较级

+ than；

not + 比较级

+ than; less + than

Eg She sees me more often than she sees her brother.（她见我比见她弟弟的时间多。）



the + 最高级

+ 比较范围

Eg This is the best picture in the hall. （这是大厅里最好的一张画。）



倍数

+ as + 原级

+as

Eg This room is twice as large as that one. （这个房间是那个房间的两倍大。）



倍数

+ 比较级

+ than Eg This room is twice larger than that one. （这个房间比那个房间大一倍。）



倍数

+ the length / height / depth / width / etc. of ….

Eg This room is twice the size of that one. （这个房间是那个房间的两倍。）

3. (Pair Work) Ask Ss to finish Activity 1 on page 43. Suggested answers: (1)

it is more usual to say “I went there twice”.

(2)

20 metres long (3)

400 kg 4. (Pair Work) Ask the Ss to finish Activity 2 on page 43. Suggested answers: (2)

Winter is four times colder in Harbin than in Beijing. Winter is four times as cold in Harbin as in Beijing. (3)

Mount Qumolangma is about six times higher than Mount Tai. Mount Qumolangma is about as six times high as Mount Tai. (4)

My aunt’s house is twice as larger as my house. My aunt’s house is two times larger than my house. (5)

Tom weighs over twice as heavy as Lily. Tom is over two times heavier than Lily.

Step 4 Grammar 2 Purpose: Let Ss master the usage of comparison. 1. (Group Work)

Ask Ss to read the sentences in Activity 1 on page 47. Then answer those questions. Suggested answers: (1) 1、2、3 （2）2、3 (3) 1 2. (Group Work) Let Ss to draw a conclusion about the usage of comparison by looking at the following sentences.

(1) You are growing taller and taller.

(2) Our country is getting more and more powerful.

(3) When the sun rises, it is getting brighter and brighter.

(4) When the sun sets, it is getting darker and darker.

(5) The harder you work at your lessons, the better you will do in them.

(6) The more you practice, the more fluently you will speak. Suggested answers: 1)“越来越……”: more and more + 多音节形容词；

单音节或双音节形容词

/ 副词的比较级

+ 单音节或双音节形容词

/ 副词的比较级

2）“越……，越……”：The + 形容词

/ 副词的比较级

+ 主语

+ 谓语，

the + 形容词

/ 副词的比较级

+ 主语

＋谓语

3. (Individual Work) Ask Ss to finish Activity 2 on page 47.

(Call back the answers after 2 minutes.) 4. (Pair Work)

Ask Ss to look at the sentences in Activity 3 on page 47. Underline the comparative expressions and circle the adverbs to give more information about the comparative expressions.

(表示程度的副词

5. (Individual Work) Practice: Use the proper word to fill in the blanks.

(1) Mary has been ill for a week. Is she getting ____________ better?

(2) Local speakers speak Japanese ___________ faster than he does.

(3) I weigh __________ heavier than my cousin, but he is ____________ stronger than I am. Suggested answers: (1) a little / a bit / any

(2) much / rather / a lot

(3) much / a lot; a little / a bit / rather

6. (Group Work) Play a game with the Ss. Let them guess what the following sentences mean.

(1) Two heads are better than one.

(2) More haste, less speed.

(3) East, west, home is best.

(4) The best mirror is an old friend.

(5) Least talk, most work. Suggested answers: (1) 两人智慧胜一人。

(2) 欲速则不达。

(3) 金窝银窝不如自己的狗窝好。

(4) 老友是宝镜。

(5) 少说话，多干事。

Step 4 Homework

1. Finish off the grammar exercises on page 91-92. 2. Prepare for the Reading and Vocabulary class.