After

I talked to my friend about English lesson I learned yesterday.
the subject of the lesson yesterday was a rear-end collision.
It was nice to review with a friend.

Before

I talk to my friend about English lesson I learned yesterday.
The subject of the lesson yesterday was a rear-end collision.
It was ~so good~ to review with a friend.

나는 어제 배운 영어레슨에 대해 친구와 얘기했다.
어제의 주제는 후방충돌이였다.
친구와 복습하니 너무 좋았다.