Passive voice.correct the mistakes 1.ice cream be made from milk 2.the game will be played in fours days 3.the computers was bought in the shop 4.the flowers are not watered last week 5.the homework must be not done tomorrow

Ice cream is made from milk 
The game will have been played in four days 
The computers were bought. ..
The flowers were not watered. ..
The homework mustn't be done. ..