Помогите с английским плиз!!! Passive verbs

ex1 1 was discovered 2 entertained 3 arrived 4 were done 5 were invited 6 discussed 7 learnt 8 painted ex 2 Minsk was founded Ancient Troy was found The first English settlement was founded The first Olympic Games were held Vikings were invited St.Petersburg was founded Jeans were made  ex3 The match was played by them in the evening. The answers were calculated by them very quickly. The movie was filmed in black and white by them. The e-mail was sent by them yesterday. Our house was built by them ten years ago. Penicillin was discovered by A.Fleming. The shop was opened by the shopkeeper at 9 o'clock.