Unit 9 When was it invented ? Section A.

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1 Unit 9 When was it invented ? Section A

2 Language Goals: Grammar Focus: Talk about the history of inventions.
The passive voice.

3 1b b b e e a a d d c c Listen and match the inventions with the dates.
1876 1885 1927 1971 1976 a a d d c c

4 1c PAIRWORK

5 1c When was the telephone invented ? I think it was invented in 1876.
PAIRWORK When was the telephone invented ? I think it was invented in 1876.

6 Jayce Coziar and Jamie Ellsworth shoes with adjustable heels
Julie Thompson battery-operated slippers heated ice cream scoop Chelsea Lanmon Jayce Coziar and Jamie Ellsworth shoes with adjustable heels

7 2a Listen and number the inventions in the order that you hear. 2 3 1

8 2b Who was it / were they invented by ? It was/ They were invented by
PAIRWORK Who was it / were they invented by ? It was/ They were invented by Chelsea Lanmon.

9 3b PAIRWORK What do you think is the most helpful invention?
I think the most helpful invention is the light bulb. Why is that? Well, it gives people more time to work and play every day.

10 { 被动语态 The passive voice. 被动语态的构成: 助动词be+ (及物动词的) 过去分词
英语中动词有主动语态和被动语态两种语态. 主动语 态表示主语是动作的执行者,被动语态表示主语是动作的 承受者, 在被动语态中动作的执行者有时用by短语表示 出来. 被动语态的构成: 助动词be+ (及物动词的) 过去分词 am (is, are) + done was (were) + done { 一般现在时 一般过去时

11 被动语态 The passive voice. 被动语态的用法: 不知动作执行者时,常用被动语态.
eg. My bike was stolen yesterday. This car is made in American. 2. 不必要说出动作执行者时,常用. eg. Rome was not built in a day. 3. 为了突出强调动作的承受者时,常用被动语态. eg. Thousands of beaches are polluted (污染).

12 被动语态 The passive voice. 主动语态变为被动语态的步骤: 把原主动句中的宾语转换为被动语态的主语.
2.把动词改为被动形式,即 “be + 过去分词” . 注意 be 动词要按新的主语的人称和数进行变化,时态要和原来 的主动语态的时态保持一致. 3. 原来主动语态句中的主语,如果需要,就放在by后面 以它的宾格形式出现. 如果没有必要就可以省略.其他的 成分 (定语,状语) 不变, 句式也不能变.

13 被动语态 The passive voice. 主动语态变被动语态的结构图:
Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主语 谓语动词过去时 宾语 时间状语 主语 谓语动词的过去分词 宾语 时间状语

14 被动语态 The passive voice. 主动语态改被动语态: Bell invented the telephone
was by

15 HOMEWORK Students’ book P 70, part 4.

16 GoodBye!