Select the correct passive form of the given sentence.
PV Sindhu has won numerous badminton championships.
1
Numerous badminton championships have been won by PV Sindhu.
2
Numerous badminton championships are being won by PV Sindhu.
3
Numerous badminton championships were won by PV Sindhu.
4
Numerous badminton championships had been won by PV Sindhu.