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重庆大学版（必修）英语5二年级《Theme A History and People Famous People in History Unit 2 Historical Figures Grammar》优秀教学课件
had+v-ed （主动）
had+been+v-ed （被动）
(2011辽宁卷)34. By the time Jack returned home from England, his son_____ from college.
A. graduated B. has graduated
C. had been D. had graduated
(2011北京卷)21.
Experiments of this kind _______in both the U.S. and Europe well before the Second World War.
A. have conducted B. have been conducted
C. had conducted D. had been conducted
Lead-in(导入）
Learning Objectives(学习目标）
The students will be able to master and use the grammar through individual work,pair work as well as group work.
Learning Points(学习重点）
Understanding and application of the new grammar
现在进行时
Structure(结构）：
be(am\is\are)+v-ing(主动）
be(am\is\are)+being+v-ing(被动）
I am reading the book.
现在完成时
structure（结构）：
have\has+v-ed (主动） have\has+been+v-ed(被动）
I have read the book.
现在正在读
已经读过