文档内容
Unit 6 When was it invented?
Section A（GF-4c）
Language goals
1. Students can use the passive voice properly.
Key words and phrases
fridge, low, somebody, translate, lock, ring, earthquake, sudden,
Teaching
all of a sudden, bell, biscuit, cookie, musical, instrument
Aims
Key sentences
1. It was brought to Korea during the 6th and 7th centuries.
2. You were invited to the party, weren’t you? Why didn’t you
go?
Teaching Students may have difficulty in deciding when to use passive
Difficulties voice.
Teaching multimedia courseware or other realia that the T needs for teaching
Aids
Teaching Procedures Tips
Step 1 Warming up
Pair Work
猜发明不是重
Ask Ss to pair up. S1 thinks of an invention and S2 asks questions
点，重点是通
about it. S2 should guess what the invention is by asking the 过这个活动练
习使用被动语
questions.
态。
(Tip: Ss can follow the example on PPT P8, or they can make their
own conversation. T should encourage Ss to use the passive voice.)
Step 2 Presentation & Practice
Show Ss sentences with active voice and passive voice, ask them
to find out the differences between them.
Use the sentences “Whitcomb Judson invented the zipper in
1893.” and “The zipper was invented by Whitcomb in 1893.”as
an example, ask Ss to pay attention to the position change of
each sentence component.
Grammar Focus
Ask Ss to read the sentences in the box and explain the usage
of passive to them.
1语态是动词的一种形式，用来说明句中主语和谓语动词的关系。如
果主语是动作的执行者，则使用主动语态；如果主语是动作的承受
者，则使用被动语态。
被动语态有“be动词 + 过去分词”构成，如果要特别强调动作或行
为的执行者时，句子后面需接by ...，译为“被/由......”。其中be动
词要根据人称、数和时态发生变化、be动词后面的过去分词不变。
被动语态的肯定句：主语 + be + 过去分词 + (by ...).
被动语态的否定句：主语 + be not + 过去分词 + (by ...).
被动语态的一般疑问句：Be + 主语 + 过去分词 +（by ... ）?
被动语态的特殊疑问句：疑问词 + be + 主语 + 过去分词 +（by ...
）?
4a
Ask Ss to rewrite the sentences using the passive voice.
Answers: 1. The fridge was sold at a low price. 2. My camera was
stolen from my hotel room (by somebody). 3. Where were these
photos taken?
4. We were advised not to go out alone by our parents. 5. The
book was translated into different languages by different writers.
4b
Ask Ss to complete the sentences with the correct forms of the
verbs in the box.
Answers: 1. were invited 2. were brought 3. was locked; rang 4.
were told; broke 5. were eaten; liked
4c
Ask Ss to read the short passage and decide whether active or
passive forms should be used in the sentences.
Answers: was invented, was born, worked, learned, was invented,
was said, is used
Step 3 Summary & Homework
Summary
Ask Ss to do the exercises from PPT P23-24.
Homework
Preview Section B 1a-1e.
Do the exercises in students’ book.
In this period, students should learn the grammar. We must practice the
Teaching
active voice and the passive voice by rewriting sentences and remember the
Reflection
changes.
2
