ПОСТАВЬТЕ В passive voice People all over the world use the

I.1. People all over the world use the Internet. The Internet is used by people all over the world.
2. I saw UFO last week. UFO was seen by me last week.
3. She got a reply after she had sent the e-mail. A reply was got after the email had been sent by her.
4. They should keep flowers in a warm sunny place. Flowers should be kept in a warm sunny place.
5. He has already passed all exams. All exams have been already passed by him.
II. 1. I would have left you some money, if I had got my salary the day before.
2. You would not have got lost, if you had followed my direction.
3. If he finishes the work early, he may go to the theater.
4. If I do not feel well tomorrow, I will not go to school.
5. If the weather werent so bad, I would go away for the weekend.