资料简介
课题：When was it invented？
难点名称：the passive voice of the
past tense
1
人教版英语九年级Unit 6
目录
CONTENTS
2
导入 知识讲解 课堂练习 小节
导入 Lead-in
3
1876
Please number them from 1-4.
19711885
1927
13
2 4
活动与探究（温馨提示：规范操作、注意安全）知识讲解 Presentation
难点突破 Use pictures and examples to show the structure of the passive voice of the past
tense.
—When was the zipper invented?
—It was invented in 1893.
—Who was the zipper invented by?
—It was invented by Whitcomb
Judson.
活动与探究（温馨提示：规范操作、注意安全）知识讲解 Presentation
—When was tea first drunk?
—Many people believe that tea was first drunk about 5000
years ago.
—How was tea invented?
—It was invented by Shen Nong by chance.
—When was tea brought to Korea?
—It is believed that tea was brought to Korea during the 6th
and 7th centuries.
活动与探究（温馨提示：规范操作、注意安全）知识讲解 Presentation
—Lily and Marry were invited.
—You were invited, too, weren’t you?
活动与探究（温馨提示：规范操作、注意安全）知识讲解 Presentation
—Do you know how potato chips were invented?
—Patato chips were invented by a cook called
George Crum. They were invented in1853.
活动与探究（温馨提示：规范操作、注意安全）知识讲解 Grammar Focus
Find out the sentence patterns
—When was the zipper invented?
—It was invented in 1893.
—Who was the zipper invented by? —It was
invented by Whitcomb Judson.
—Many people believe that tea was first drunk
about 5000 years ago.
—How was tea invented?
—It was invented by Shen Nong by chance.
—Lily and Marry were invited.
—You were invited, too, weren’t you?
—Do you know how potato chips were
invented?
—Patato chips were invented by a cook
called George Crum. They were invented
in1853.
—When was tea brought to Korea?
—It is believed that tea was brought to
Korea during the 6th and 7th centuries.
subject+was/were
+done+by+object
课堂练习
9
Practice
课堂练习Practice
10
Task 1: do some practice to review the structure of the passive voice of the past tense.
invent drink bring produce
1.One of the world’s favorite drinks was________ by accident.
2.Tea was first _______by Shen Nong about 5000 years ago.
3.A nice smell was ________when the tea leaves drooped into
the hot water.
4.Tea was _________to Korea and Japan during the 6th and
7th centuries.
5.The earthquake happened all of a sudden, but luckily the
villagers _____________ to a safe place.
invented
drunk
produced
brought
were brought
课堂练习
11
Task 2 rewrite to practice the passive voice of the past tense.
Please rewrite the sentences using the passive voice.
1.They sold the fridge at a low price.
The fridge was sold at a low price.
课堂练习
12
Please rewrite the sentences using the passive voice.
2. Somebody stole my camera from my hotel room.
My camera was stolen by somebody from my hotel room.
3. Where did you take these photos?
Where were these photos taken?
课堂练习
13
Please rewrite the sentences using the passive voice.
4. Our parents advised us not to go out alone.
We were advised not to go out alone by our parents.
5. Different writers translated the book into different
languages.
The book was translated into different languages by
different writers.
课堂练习
14
Make a report
课堂练习
15
Basketball is a much-loved and active sport that
__________(enjoy) by many for fun and exercise. It
______(believe) that the first basketball game in history
_______(play) on December 21,1891.
Basketball________(invent) by a Canadian doctor named
James Naismith.
【课堂小结】小结 Summary
the passive voice of
the past tense
【课堂小结】
小结 Summary
the structure of the passive voice of
the past tense
subject+was/were+done+by+object
【课堂小结】
—How was tea invented?
—It was invented by Shen Nong by chance.
—When was tea brought to Korea?
—It is believed that tea was brought to Korea during
the 6th and 7th centuries.
【课堂小结】
—Do you know how potato chips were invented?
—Patato chips were invented by a cook called
George Crum. They were invented in1853.
—Lily and Marry were invited.
—You were invited, too, weren’t you?
【课堂小结】作业 Homework
After class, please remember to find
more inventions and introduce them to
us by using the passive voice of the
past tense in the next class.
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