1. He is my friend as well as yours.
Not only is he my friend but also yours.
2. He booked tickets for the afternoon performance and the evening performance as well.
Not only did he book tickets for the afternoon performance but also the evening performance.
3. Burglars stole a thousand pounds’ worth of electrical goods, and left the flat in an awful mess.Not only did the burglars steal a thousand pounds'worth of electrical goods but also left the flat in an awful mess.
4. Tony was not only late, but he had left all his books behind.
Not only was Tony late but also he had left all his books behind.
5. You will enhance your posture and improve your acting ability on this course.
Not only will you enhance your posture but also improve your acting ability on this course.
6. It isn’t worth considering his suggestion for a moment.
Not worth is it considering his suggestion for a moment.
7. She didn’t shed a tear when the story ended in tragedy.
Didn't she shed a tear when the story ended in tragedy.
8. The manager not once offered us an apology.
Not once did the manager offer us an apology.
9. She made no sound as she crept upstairs.
No sound did she make as she crept upstairs.
10.He only thought about having a holiday abroad after he retired.
Only did he think about having a holiday abroad after he retired.