He (not/sleep) well, so he was very tired.

They (not/drive) very carefully before the accident happened.

He (already/see) that movie last week.

She (read) the book before the teacher asked about it.

I (not/meet) him before the party yesterday.

While she (read) a book, her brother was listening to music.

We (walk) in the park when it started to rain.

He (not/go) to school last Monday.

I (see) a cat while I was walking home.