1.They hold the competion every year
=>The competion was hold every year
2.Monet developed the Impressionist art style
=>The Impressionist art style was developed by Monet
3.They will open the new gallery tomorrow
=> The new gallery will be opened tomorrow
4. You can see the thinker the thinker in Paris
=>The thinker can be seen in Paris
5.Harry will write the music for the play
=>The music will be writed for the play by Harry