1. Marie Tussaud managed (to create) her first wax figure, of Voltaire, in 1777, when she was 16.
2. This guide book is worth (to be bought) if you want to visit all the places of interest.
3. The children were delighted (to have been brought) to the circus.
4. Sorry not (to have noticed) you.
5. I am glad (to have been invited) to stay with them in their country-house.
6. Diplomacy is the art (to say) the nastiest things in the nicest way.
7. Jane ought (to have been taught) two foreign languages. Why wasn’t she,
I wonder?
8. Nature has many secrets (to be discovered) yet.