新概念英语第一册第120课【课文讲解】

世博英语Andy老师原创教程。未经世博英语书面授权，任何媒体和个人不得转载！

来看一个示范：

Joy: after I went to bed.
I had finished my homework.
Andy: I went to bed after I had finished my homework.

下面开始替换练习：

① Joy: before I asked the price of the car.
They had already sold it.
Andy: Before I asked the price of the car, they had already sold it.
② Joy: after I ran to the platform quickly.
The train had already left.
Andy: I ran to the platform quickly after the train had already left.
③ Joy: after he gave us our exercise books.
He had corrected them.
Andy: He gave us our exercise books after he had corrected them.
④ Joy: after She went on holiday.
She had taken the examination.
Andy: She went on holiday after she had taken the examination.
⑤ Joy: before She had finished the housework.
She went out.
Andy: She had finished the homework before she went out.
⑥ Joy: before We had had dinner.
They arrived.
Andy: We had had dinner before they arrived.