1. Hardly (I had sat down) when the doorbell rang.

2. Scarcely (had Julian finished) writing when the teacher told the students to put their pens down.

3. We had barely set off on our journey when (the kids started) asking when we would get there.

4. No sooner (the government changes) the tax laws than businesses find a way around them.

5. Scarcely (they had finished) painting the house when it started to rain

6. Hardly (the new computer system had been installed) when it started to go wrong.

7. It's true that no sooner (we had started) eating than we realised we had forgotten the potatoes.

8. Barely had the politician started to speak when (began the crowd) to boo.

9. Hardly (the new park was finished) when vandals destroyed the flowerbeds.

10. Scarcely (Keith had arrived) in Argentina when he was arrested.