1. We were very impressed by the new camera but found it rather expensive

Impressed by the new camera as/though we were, we found it rather expensive

2. He bought the umbrella along but it didn't rain

He needn't have brought the umbrella along

3. "I'm innocent" she said, and the court believed her

She convinced the court that she was innocent

4. Under no circumstances should you phone the police.

The last thing you can do is to phone the police

5. I would like, moreover, to choose my own clothes.

What's more, I would like to choose my own clothes

6. The team is the same as it was for last Saturday's match

There have not been any changes to the team since last Saturday's match

7. Couldn't you have got a bus to the station?

Wasn't it possible for you to get a bus to the station?

8. You were so gulliable! How could you believe the lies he told you?

Weren't you so gulliable, you couldn't have believed the lies he told you

 9. Success in the academic field depends on your ability to amass qualifications

The more qualifications you can amass, the more successful you become in the academic field 

10. While I strongly disapprove of your behaviour, I will help you this time.

Despite strongly disapproving of your behaviour, I will help you this time