He didn’t open the window before classes yesterday.
I was hurrying to the library when I met him.
She translated a lot of articles at the office last week.
We were smoking in the room when he saw us.
We were packing our things when our taxi came.
The day before yesterday he finished his work at seven o’clock.
What did he do ten years ago? -He was studying at school.
Yesterday I asked my friend not to ring me.
My father wrote a very interesting article last month.
She came home at eleven o’clock that’s why she didn’t call you.