1. I saw Henry as I was cycling to the sports centre.

2. While we were preparing the picnic, it started to rain.

3. All my friends were leaving the party when I arrived.

4. As we were walking by the river, we hearted a shout.

5. We didn't eat very much while we were staying in that hotel.

6. I drank my dad's coffee while he was not looking.

7. She dropped her new phone as she was putting it in her pocket.

8. I met a really interesting person while I was waiting for the bus.