九年级英语第9单元第一课时课件
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Section A
What are they? They are four inventions of China
gun powder
compass
paper making
printing
Museum
Invention Museum
Guessing:
What is it?
Guessing:
被动语态的几种句型
1 肯定句 主语 + be + 过去分词 + (by…) A sweet song was sung by her on the stage. 2 否定句 主语 + be + not +过去分词 + (by…) A sweet song wasn’t sung by her on the stage. 3 一般疑问句 Be + 主语 +过去分词 + (by…)
1885
1976
1927
1971
1876
Group work:
What Printing
When Tang Dynasty
朝代
Who Chinese
Be used for Making copies
Try to be an inventor!
music candle
activity glasses temperature cup
6. Did Lily buy her sister a hat? 7. We often hear him play the violin at home. 8. The lazy boy didn’t wash clothes yesterday. 9. Students listen to the kind teacher carefully. 10.When did your father took you to the park .
It is used for counting.
What are they used for?
light bulbs
They are used for giving light.
Make a list of inventions you know.
What is/are … used for? It’s/They’re used for…
主动句与被动句之间的转换
We 主语
bought some books. 谓语动词主动语态的过去式 宾语
Some books
主语
were bought
( by us )
介词+ 宾语
谓语动词被动语态的过去分词
主动句变为被动句所遵循的4个步骤：
1.把原主动句中的宾语变为被动句的主语.
2.把动词变为被动形式即be +过去分词， 并注意其人称和数随主语的变化，而动 词的时态则保持不变。 3.原主动句的主语如需要则放在by后面以它 的宾格形式出现（注代词的宾格），如不需 要则可省略。 4.其它的成分（定语、状语）不变。
When was it invented?
1976 1971
1885 1927
1976
When was it invented? It wasinvented in… Who was the telephone invented by ? It was invented by….
1876
Bell
What is it?
Guessing:
What is it?
Microwave oven It is used for cooking and heating food
(加热)
What food can be heated in it?
What is it used for?
calculator
1927
Baird
1985
Henry Ford
1885
Cray
1971 Bill Hewlett
1907
Wright
1b
a
Listen and match the inventions with the dates.
b
e d
1876 1885
c
1927
1971 1976
When was the car invented? It was invented in 1885.
-- Who invented the telephone ? -- Bell invented the telephone. -- Who was the telephone invented by ? -- It was invented by Bell. 被动语态
被动语态 (Passive Voice) 结构: be + V-p.p 一般现在时的被动语态 am/are /is +动词的过去分词 一般过去时的被动语态
An article was written by him last week. 2.The people make history. History is made by people.
3.Do people use Chinese only in China? Is Chinese used by people only in China? 4.They didn’t visit the city two years ago.
Was a sweet song sung by her on the stage?
4 特殊疑问句 疑问词 + be + 主语 +过去分词 + (by…)
Where was a sweet song sung by her?
请把下列的主动பைடு நூலகம்变为被动句
1.He wrote an article last week.
The city wasn’t visited by them two years ago. 5 Where did you make them? Where were they made by you?
练习：请把下列主动句变为被动句
1. The woman asked the policeman for help. 2. The old man on TV tells a story on Sunday. 3. Do they use the box as a table? 4. She sent me a collection last week. 5. The teacher doesn’t teach us math this term.
was/were +动词的过去分词
Many people speak English.(主动语态) English is spoken by many people
The naughty boy broke the window yesterday.(主动语态)
The window was broken ( by the naughty boy) yesterday.
What are they? They are four inventions of China
gun powder
compass
paper making
printing
Museum
Invention Museum
Guessing:
What is it?
Guessing:
被动语态的几种句型
1 肯定句 主语 + be + 过去分词 + (by…) A sweet song was sung by her on the stage. 2 否定句 主语 + be + not +过去分词 + (by…) A sweet song wasn’t sung by her on the stage. 3 一般疑问句 Be + 主语 +过去分词 + (by…)
1885
1976
1927
1971
1876
Group work:
What Printing
When Tang Dynasty
朝代
Who Chinese
Be used for Making copies
Try to be an inventor!
music candle
activity glasses temperature cup
6. Did Lily buy her sister a hat? 7. We often hear him play the violin at home. 8. The lazy boy didn’t wash clothes yesterday. 9. Students listen to the kind teacher carefully. 10.When did your father took you to the park .
It is used for counting.
What are they used for?
light bulbs
They are used for giving light.
Make a list of inventions you know.
What is/are … used for? It’s/They’re used for…
主动句与被动句之间的转换
We 主语
bought some books. 谓语动词主动语态的过去式 宾语
Some books
主语
were bought
( by us )
介词+ 宾语
谓语动词被动语态的过去分词
主动句变为被动句所遵循的4个步骤：
1.把原主动句中的宾语变为被动句的主语.
2.把动词变为被动形式即be +过去分词， 并注意其人称和数随主语的变化，而动 词的时态则保持不变。 3.原主动句的主语如需要则放在by后面以它 的宾格形式出现（注代词的宾格），如不需 要则可省略。 4.其它的成分（定语、状语）不变。
When was it invented?
1976 1971
1885 1927
1976
When was it invented? It wasinvented in… Who was the telephone invented by ? It was invented by….
1876
Bell
What is it?
Guessing:
What is it?
Microwave oven It is used for cooking and heating food
(加热)
What food can be heated in it?
What is it used for?
calculator
1927
Baird
1985
Henry Ford
1885
Cray
1971 Bill Hewlett
1907
Wright
1b
a
Listen and match the inventions with the dates.
b
e d
1876 1885
c
1927
1971 1976
When was the car invented? It was invented in 1885.
-- Who invented the telephone ? -- Bell invented the telephone. -- Who was the telephone invented by ? -- It was invented by Bell. 被动语态
被动语态 (Passive Voice) 结构: be + V-p.p 一般现在时的被动语态 am/are /is +动词的过去分词 一般过去时的被动语态
An article was written by him last week. 2.The people make history. History is made by people.
3.Do people use Chinese only in China? Is Chinese used by people only in China? 4.They didn’t visit the city two years ago.
Was a sweet song sung by her on the stage?
4 特殊疑问句 疑问词 + be + 主语 +过去分词 + (by…)
Where was a sweet song sung by her?
请把下列的主动பைடு நூலகம்变为被动句
1.He wrote an article last week.
The city wasn’t visited by them two years ago. 5 Where did you make them? Where were they made by you?
练习：请把下列主动句变为被动句
1. The woman asked the policeman for help. 2. The old man on TV tells a story on Sunday. 3. Do they use the box as a table? 4. She sent me a collection last week. 5. The teacher doesn’t teach us math this term.
was/were +动词的过去分词
Many people speak English.(主动语态) English is spoken by many people
The naughty boy broke the window yesterday.(主动语态)
The window was broken ( by the naughty boy) yesterday.