When-was-it-inventedSA3a-4.doc

淄川实验中学初四英语教案 No.
授课内容
Unit4 When was it invented?
Section A 3a-4
课型
new
审阅
备课日期
Sep.
上课日期
Sep.
备课人

教学目标
（包括知识、情感、能力目标）
Target language:
When was the telephone invented?
I think it was invented in 1876.
Vocabulary: salty, sweet, sour, crispy, pleasant, potato chips, slipper, leaf, fire, scoop, light bulb, telescope, microwave oven, abacus, camera, beverage, be invented by, be used for, by mistake, by accident
--What do you think is the most helpful invention?
-- I think the most helpful invention is … .
-- Why is that ?
-- Because it is … .
Abilities Goals
To learn to use Passive voice (questions and statements)
To listen, talk and read about invention

教学重点
--What do you think is the most helpful invention?
-- I think the most helpful invention is … .
-- Why is that ?
-- Because it is … .
教学难点
各种时态被动语态以及它们的构成结构。

教
学
过
程
教学内容设计
二次备课
Step I Revision
Show the important language drills that we have learned in the last class.

Step 2 Studying aims
Show the studying aims to the students. Let them know what we will study in the lesson.
Read the studying aims by themselves.

Step 3 3a
Make a list of five helpful inventions and five annoying inventions.(3a)
Encourage the students to say their own ideas, and tell us why.
Say their answers loudly

Step 4 3b
The teacher asked “ Why do you think ….?”
Students say their answers .
Grammar
（全面讲解被动语态）
1. 重点讲解主动语态和被动语态如何转化。
2. 有关时态的被动语态构成：
am/is /are+ P.P.
was/were +P.P
will/shall+be+P.P.
should/would+be+P.P.
have/has+been +P.P.
情态动词+be +P.P.
3: 重点再点出“see” “hear”两词的被动语态转化。

Step 5 Summary
Sum up the main contents of the lesson.
Listen and learn, take notes

Step 6 Do some exercises:

板
书
设
计
时态的被动语态构成：

Am /is /are+ P.P. was/ were +P.P
will/shall+ be+ P.P. should/ would+ be+ P.P.
have/has+ been +P.P.
情态动词+be +P.P.
作
业
1.配套练习册.
2. Preview Section B.
教
学
反
思