Learning about LanguagePPT配套教学设计内容

Book8 Unit 3 Inventors and Inventions Learning about language 教案

Teaching aims：

1.Knowledge aims：

⑴Enable students to master the usage of the past participle used as attribute and predicative.

⑵Encourage students to write sentences using the past participle. 2. Ability aims：

Develop students’

ability of analyzing and applying non-finite verbs. 3. Emotional aims: Develop students’ interest in English and help students to face up to the difficulties bravely. Teaching key points: The difference between the past participle and the present participle used as attribute and predicative. Teaching difficult points: How to use the past participle as attribute and predicative. Teaching aids Blackboard, PPT Teaching procedure:

Step1: Lead in

Review the form of non-finite verbs and finish the sentences about a fairy tale called Mermaid to recall the function of the past participle. Step2: Grammar focus (一)

The past participle used as attribute 作定语用的过去分词相当于形容词，其逻辑主语就是它所修饰的名词。及物动词的过去分词作定语，既表

又表

。不及物动词的过去分词作定语，只表

。

1. 过去分词作定语的位置

①

a closed door

the risen sun ﹡单个的过去分词作定语时，位于它所修饰的名词或代词_____.

eg. I threw a ________ vase. =

(定语从句) We often clean _______ （fall）leaves.=

→注意:过去分词作定语可转化为定语从句

﹡及物动词的过去分词做定语表示“被动”的意义，可改成带被动语态的定语从句。

﹡不及物动词的过去分词做定语表示“完成”的意义，可改为带完成时态的定语从句。

②

a picture painted by Leonardo da Vinci a woman dressed in white 过去分词短语作定语：通常_____，其作用相当于定语从句，但较从

句简洁。

2.过去分词作定语也可用作非限制性定语，前后用逗号隔开。

The books, written by Guo Jingming, are very popular with teenagers. 这些书是郭敬明写的，深受青少年的喜爱。

Practice: ⑴

一枚用过的邮票(翻译并改为定语从句) ⑵

I like reading the novels ________ (write ) by Zhang Ailing. = I like reading the novels ___________________ by Zhang Ailing. 3. 区分：过去分词与现在分词做定语

比较：fallen leaves boiled water falling leaves boiling water 过去分词作定语表示该动作的_____或者______; 现在分词作定语表示该动作的______或者______. 即时练：

1. The blouse ________ by the girl looks very clean. (wash) 2. The girl _________ the blouse is very pretty. (wash) （二）The past participle used as predicative 1.Fill in the blanks according to the pictures. 2.Observe the sentences and find out the rules.

•

①. The people in the office are excited. •

②. The engineer felt confused. •

③. The audience in the theater looked shocked. ﹡过去分词放在________之后，作______，表示主语的感受或____________(动作/心理状态),相当于一个形容词。

﹡常见系动词：be，remain, keep，taste, sound, seem，turn, become…

3.(1)及物动词的过去分词作表语，与句子主语是被动关系，表示主语的状态，既表示被动，又表示完成。

茶杯破了。

___________________________________ (2)不及物动词的过去分词作表语，与句子主语是主动关系，表示主语的状态，只表示动作的完成。

他已退休。

____________________________________

Practice: Cleaning women in big cities usually get ______ (pay) by the hour. 4. 有些过去分词作表语时，构成的谓语很接近被动结构。

The city is surrounded on three sides by mountains.

这座城市三面环山。

【注意1】过去分词作表语与被动语态的区别：

过去分词作表语，主要是表示主语的状态，而被动语态则表示动作，后面长跟by 短语。

(1)

The cup was broken by my little sister yesterday. （是____________________）

(2)The cup was broken.

（是___________________________

）

【注意2】比较下面两组句子，区分过去分词和现在分词做表语的不同：

★The result of the test is disappointing.

I feel disappointed with the result of the test. ★What a surprising result ! I am surprised at what he said. 结论：过去分词表示被动或完成, -ing 形式表示主动或进行。但有些动词如

interest, bore, worry, surprise, frighten

等通常用其过去分词形式来修饰人，表示感到。。。，用

-ing 形式来修饰物，表示令人。。。,它们是形容词化的分词。

Practice: 这本书很有趣，我对它很感兴趣。________________________________ 当他听到他在比赛中赢得第一名时很兴奋。

He became ______ when he heard he had won the first place in the competition. Step3: Summary Step4：Exercises (一)单句改错

1. I know little about the girl calling Lily. 2. He was very exciting to hear the news that their team had won. 3. Do you know the man sat over there? 4. The girl dressing in red is my daughter.

5. His father seems pleasing with his results （二）语法填空

Liu Xiang is a player ______(love)

by many thousands of

fans. Unluckily, he got ______(injure) in the game, in2012 London Olympics. The __________ (surprise) news got across to the world and his fans were __________ (disappoint) to see it，but they still wished him a happy life. Step5: Homework 完成句子：

1.The book ___________________ (一本农民写的书) is very popular. 2.The building __________________(去年建的楼房) is the longest. 3.The problem __________________________

(在昨天会议上讨论的) was very difficult to solve. 4.他的话很鼓舞人。