1 Our friend was thought about all the time.
2 He will be operated on in a week.
3 The pupil's parents were sent for (by the teacher).
4 The newspaper was looked for everywhere.
5 The bed wasn't slept in.
6 The telegram was asked for (by the neighbour).
7 The lecturer was listened to with great attention.
8 The freshman was laughed at (by the senior students).
9 The headmistress was spoken to yesterday.
10 The babies were looked after by their young mothers with great care.