Write sentences in the passive 1) our car / service / a mechanic / at the moment. 2)a man / shoot / an air gun / outside the petrol station last night. 3) gunpower / invent / the chinese.

Our car is being serviced by a mechanic at the moment.
A mam was shot by an air gun outside the petrol station last night.
Gunpowder was invented by the Chinese.

1) Our car is being serviced by  a mechanic at the moment. 
2) A man was shot with an air gun outside the petrol station last night.
3) Gunpower was invented by the Chinese.