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.