`9.` She was on the point of handing in her notice when the boss decided to promote her.

`-` be on the point of `+` V`-`ing : sắp sửa sẽ làm gì đó

`-` Decide to `+` V nguyên thể `+` O : quyết định làm gì

`10.` Mary used to be under the impression that she would become a famous actress in Hollywood.

`-` Used to `+` V nguyên thể : đã từng làm gì

`-` Be under the impression that `+` clause : tưởng lầm rằng ...

`-` Become `+` danh từ : trở thành ...