Preparing for the 'oposiciones': inversion of subject (exercise)

Let's review the cases of 'inversion of subject' inversion-del-sujeto and do a new exercise:

Rewrite the following sentences using subject inversion:

1.- The doctor had no sooner arrived than she began to feel better.
2.- You had hardly left the party when your boyfriend came in with Laura .
3.- The chairman had scarcely finished his report when the secretary raised his first objection.
4.- The defence counsel pleaded in vain for clemency.
5.- London seldom suffers from fog, in spite of what foreigners think.
6.- Children should not be left alone in the house under any circumstances.
7.- This couldn't have happened anywhere else in the world except in the U.S.A.
8.- In the field of human conflict, so much has never been owed by so many to so few.

KEY

1.- No sooner had the doctor arrived than she began to feel better.
2.- Hardly had you left the party when your boyfriend came in with Laura.
3.- Scarcely had the chairman finished his report when the secretary raised his first objection.
4.- In vain did the defence counsel plead for clemency.
5.- Seldom does London suffer from fog, in spite of what foreigners think.
6.- Under no circumstances should the children be left alone in the house.
7.- Nowhere else in the world could this have happened except in the U.S.A.
8.- Never in the field of human conflict, has so much been owed by so many to so few.