1. There's a terrible accident! Call the police as soon as/when you can.

2. The lion stood and looked at me, but while/after a few minutes it walked away.

3. While/When we were walking in the forest, a monkey jumped down in front of us.

4. They were swimming in the river when/while they saw a big fish.

5. I took a photograph of the beautiful bird as soon as/while I saw it.

6. We sat down on the rock and then as soon as/ after a few minutes we had our lunch.​