1.His bravery impresses his friend

His friend is impressed by his bravery.

 2. The change in culture confuses him 

He is confused by the change in culture.

 3. Her invitation pleased the old man 

The old man was pleased by her invitation.

 4. Mr and Mrs Nam's son interrupted them 

They were interrupted by Mr and Mrs Nam's son.

 5. Her classmate teasing embrrassed her 

She was embrassed by her classmate teasing.

 6. Conan Doyle wrote The Sherlock Homes stories

The Sherlock Homes stories were written by Conan Doyle.

 8. A group of four robbers has robbed her  

She has been robbed by a group of four robbers.

 9. Her son's absence is worrying her  

She is being worried by her son's absence.

 10. The secretary's resignation of the boss was displeasing him

He was being displeased by the secretary's resignation of the boss.