unit 10全单元课件

unit 10 全单元课件
Unit 10
By the time I got outside,
the bus had already left.
Go for it J9Section A6:00 7:00 现在
By the time I got up, my sister had already washed all the clothes.
I got to school
The teacher came into the classroom
By the time I got to school, the teacher had come into the classroom.
By the time she got outside, the bus had already left.
她出去的时候,公共汽车已经开走了.
过去完成时态的用法：
1、表示过去的过去，通常由by 引导的短语做时间状语或者由by / when / before 引导的从句做时间状语从句
①By the end of last year, I had learned about one thousand English words.
②By the time he was twenty, he had won about ten medals.
③When I got there, they had already left.
④They had already had breakfast before they arrived at the hotel.
⑤He said that he had never seen such a beautiful bird before.
2、常用在宾语从句中
①He told me he had already finished his homework.
②I realized he had fooled me again.
3、体现在上下文中。