学习目标
By the end of the class, the students will be able to:
Use past perfect
学习过程
课堂活动
（一） 预习交流
Past perfect
（二） 合作探究
1．He asked me __ ___ during the summer holidays.
A. where I had been B. where I had gone C. where had I been D. where had I gone
2. What ____ Jane ____ by the time he was sever?
A. did, do B. has, done C did, did. D. had, done
3. I ______ 900 English words by the time I was ten。
A. learned B. was learning C. had learned D. learnt
