1) Large sums of money … (are contributed/have contributed) to this medical centre every year.
2) Books … (do/are) sometimes … (steal/stolen) from libraries.
3) Such behavior… (is/are) never … (approved/approve) of.
4) Pocket money … (is given/has given) to me by parentsat the beginning of each month.
5) Beautiful roses … (was grown/are grown) in the garden.
6) Patients … (are examined/examine) in this room.
7) Grass … (are mown/is mown) every week.
8) The birds … (weights/are weighed) and … (measured/measures) in autumn.