Were you to accept our offer, we could avoid the costs of a court case.

Only by shouting at the top of his voice could he make himself heard.

At no time must bags be left unattended.

Hardly had she sat down to watch her favourite programme when the phone rang / No sooner had she sat down to watch her favourite programme than the phone rang.

Had the film been realeased in the summer, it would have been so much more successful

Only when someone complained did they realise (that) the painting had been hung upside down.

Hardly had he left the house, when the storm broke

So anxious was he to start a new life / to start a new life was he that he actually changed his name.

Not since Kubrick’s 2001 has a director made such an intellectually challenging sci-fi movie.

On no account must this switch be touched.

Not until she had calmed down did he manage to get permission.

No sooner had he left the house than the storm broke.