2. The other students was reading article in the book when I got to my desk.
3. I was looking for my book in the schoolbag while everybody finished reading.
4. Everybody had finished writing the article when I found my book.
5. The teacher was explaining something while I finished my article.
6. While I was looking for a pen the teacher gave us written exercise.
7. I hadn't finished when the teacher collected our work.
8. I was doing the work when my classmates went home.
