Step 8 T tells Ss Beijing is considering having new "white bikes" in Beijing. Ss work in pairs to do an interview on if "white bikes" will be good for Beijing, why and what advice they would give on Beijing's future "white bikes". 1. 在新的语境中，运用课文的信息和语言，进行有意义地交流。

2. 体会自行车对缓解交通和环境压力的意义。 PW

8'

第二课时

Second Period

教学目标

在本课学习结束时，学生能够：

1. 在语境中体会、发现和归纳现在完成进行时的形式和语意功能；

2. 运用现在完成进行时解释由于重复性或持续性动作产生的结果或影响。

教学过程

教学活动

Activities 设计意图

Intentions 互动模式&时间

IP & time Review Step 1 Ss answer questions about white bikes in Amsterdam. 1. 复习上节课内容，同时也让学生有机会再次接触本课的词汇。

2. 引导学生说出含有本课的语法句子。 IW, CW

4' Discovering Grammar Usage Step 2 * T leads Ss' attention to the two sentences on the screen and tells them the tense is Present Perfect Continuous (PPC).

* Ss read four dialogues with PPC and match the dialogues with the pictures. (Ex. 4).

* Ss find out the key sentences that help them identify the pictures. 首先引导学生在语境中体会语法的意义。 IW, PW

6'