make these sentences passive

1) we watch current news on tekevision every evening 

2) i think they have alredy forgotten those sad events 

3)we will cater for kids of different ages 

4)i knew the bad news had depressed everybody 

5)Our team is playing their most important match today 

6)when we returned home? our parents were discussing something excitedly

7) -may i help you? sir?  -No, thanks. They are already serving me