基本信息
unit 3 computers
period 4 language points 教学设计
i. teaching contents：learning about language
ii. teaching aims：
1）to revise the useful words and expressions.
2）grasp the usage of such important expressions :
common; as; lonely; connect; anyhow; have…in common; work out; go by;
3）master the sentence pattern:
it took+一段时间+before+从句(一般过去时)
so/such. . . that引导结果状语从句
iii. key points & difficulties
key points:
how to use the phrases correctly.
teaching difficulties:
how can students use the sentence pattern freely.
iv. teaching procedure:
step 1: greetings.
step 2: difficulties and key sentences explaination.
1. common adj. 共同的；共有的；常见的；寻常的；普通的
have…in common 在……方面有共同之处
in common 共有；公有
in common with sb./sth. 与……相同
2. work out 锻炼身体；计算出；理解；了解；处理；解决
work off （通过消耗体力)宣泄感情
work over 拷问；追问
work up 逐步发展
3. it took+一段时间+before+从句(一般过去时)
it will (not) be+时间段+before+从句（现在时）
