单 元：unit 3 amazing people
板 块：grammar and usage
thoughts on the design:
本节课是语法教学课。以观察——发现——讨论——归纳——运用为主要教学模式，充分利用本单元语言素材，通过多种图示和语法规则的呈现，让学生比较全面系统地掌握过去完成时（past perfect tense）的用法、一般过去时（simple past tense）与过去完成时的用法区别及现在完成时（present perfect tense）与过去完成时的用法区别。语法规则的归纳与讲解所选用的语言材料和所涉及的练习与本单元话题（amazing people）相联系。力求让学生在语篇中灵活运用所掌握的语法规则，避免学生死抠语法，生搬硬套。
teaching aims:
after learning this lesson, the students will be able to understand sentences in which the past perfect tense is used. they are also expected to distinguish the past perfect tense from the simple past and the past perfect tense from the present perfect tense. at the same time, they will read some passages in which the simple past tense, the past perfect tense or the present perfect tense is used.
teaching procedures:
step 1 lead in (ppt4-5)
1.what’s the topic of unit3? (amazing people)
2.how many amazing people have we read about in this unit? who are they? (mother teresa, bill gates, beethoven, zhang heng, howard carter.)
3.can you tell me something about howard carter? (howard cater is one of the most famous explorers the world has ever known. he was brave and adventurous. …upon their entering the tomb, carter’s lucky pet bird, which he had left in cairo, was swallowed by a snake.)
4.what verb tenses are used in the sentence? (the simple past tense and the past perfect tense)
[explanation]
教师充分利用教材中的语言素材，既引导学生温习已学的内容，又激起学生对已学内容中出现的语法现象（the past perfect）的关注。
step 2 presentation (ppt6-7)
1.how can we form the past perfect? (by using “had ＋the verb-ed form”)
2.page 42-43: reread the passage “the curse of the mummy” and underline the sentences in which the past perfect tense is used.
by the 1920s, he had become an explorer, searching for the tombs of the egyp
