I. Turn into the passive voice.
- Active voice : \(_{S_1}\) + don't/ doesn't + V + \(O_2\) + adv ( place ) + adv ( time )
- Passive voice : \(S_2\) + is not / am not/ are not + Vpp + adv ( place ) + [ by + \(O_1\) ] + adv ( time )
1. People don't use that machine every day.
-->................................................................
2. They disigned that style two years ago.
-->................................................................
3. Mr. Pike doesn't collect stamps every summer.
-->................................................................
4. People cleaned the beach one week ago.
-->................................................................
5. Children protect the environment from pollution.
-->................................................................
6. Mai is so tired that she can't sit up.
-->................................................................
7. It's interesting to collect stamps from all over the world.
-->................................................................
8. People reduce traffic jams in the city.
-->................................................................
9. Nobody wear jeans at school.
-->................................................................
10. No one used computers ten years ago.
-->................................................................
1. People don't use that machine every day.
--> that machine isn't used every day.
2. They disigned that style two years ago.
-->That style was designed two years ago.
3. Mr. Pike doesn't collect stamps every summer.
-->Stamps aren't collected by Mr.pike every summer.
4. People cleaned the beach one week ago.
-->The beach was cleaned one week ago.
5. Children protect the environment from pollution.
-->The environment is protected by children from pollution.
6. Mai is so tired that she can't sit up.
-->Mai is too tired to sit up.
7. It's interesting to collect stamps from all over the world.
-->It's interesting for stamps to be collected from all over the world.
8. People reduce traffic jams in the city.
-->Traffic jams is reduced in the city.
9. Nobody wear jeans at school.
-->Jeans aren't wore at school.
10. No one used computers ten years ago.
-->Computers weren't used ten years ago.
