WHEN – WHILE
1. The students were doing an exercise when the bell rang.
2. I saw an accident while I was waiting at the bus stop.
3. When she was writing an email, her computer turned off.
4. He feel down while he was climbing a tree.
5. When my mom came home, my sister was sleeping
6. We found some old photographs while we were tidying our room.
7. when you called me last night, I was studying for the test.
8. I had a dream while i was sleeping on the sofa
9. When the fire alarm went off, we were listening to music
10. She started to cry when she was watching a movie
espero ter ajudado, boa sorte!
