1) My baby was being taken a bath when you called
-> I was taking a bath (for) my baby when you called
2) A report was being written
-> He was writting a report
3) The employers were being called by Tom at 8 o'clock yesterday morning
-> Tom was calling the employers at 8 o'clock yesterday morning
4) My house was being decorated when you came
-> I was decorating my house when you came
5) A chocolate cake was being eaten by my sister
-> My sister was eating a chocolate cake
6) My exercise was being done at 6 o'clock yesterday morning
-> I was doing my exercise at 6 o'clock yesterday morning
7) A report was being written when my friends came
-> I was writting a report when my friends came
8) A photo of me was being taken by Tom when I was eating
-> Tom was taking a photo of me when I was eating