Listen! someone (play) the violin upstairs. can you hear it? 2 the berlin wall (come) down in 1989. 3 my brother played a practical joke on me while i (sleep). 4 i hope to see jane this weekend. i (not see) her since last christmas! 5 in the future, the energy people use in their homes (not come) from oil. 6 ice cubes melt if you (put) them in warm water. 7 if you listen to your mp3 player so loud, you (damage) your ears.