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【教学重点、难点分析】
一般过去时态的被动语态
基本结构:助动词be(was / were)+及物动词的过去分词
【教学方法】
情景教学法
【教学设计】
Step One: Leading-in
Use a picture of sky lanterns to ask some questions.
(The students should use the passive voice to answer them.)
1. What are they made of?
2. What were they used for before?
3. Who invented them?
Step Two: Finish 1a
(Present four great inventions: the computer, the car, the TV and the telephone. Ask the Ss to guess when they were invented. Number them 1—4.)
S1: I think the telephone was first invented.
S2: I think the TV was invented before the car.
Step Three: Listening practice (1b and 1c)
Finish 1b
(Let the Ss know how to read the year first and then match the inventions with the year.)
After listening, let the Ss answer three questions about 1b.
What did the grandma have when she was young?
Why didn’t they have a television at that time?
Does grandma have personal computer now?
Pair work
—When was …… invented?
—It was invented in ……
4. More pictures for Ss to practice.
Step Four: More listening practice (2a, 2b and 2c)
Know about three kinds of new inventions
shoes with special heels