1. Heavy bags aren't carried.
2. The English course wasn't attended.
3. Voleyball wasn't played for three months.
4. Your friends won't be visited at the weekend.
5. The classroom isn't being cleaned.
6. The babies weren't rescued.
7. The old cars weren't being repaired.
8. The journey wasn't decided about.
9. Cameras mustn't be used in the museum.
10. A bike has not been bought.
We make the passive by putting the verb 'to be' into whatever tense we need and then adding the past participle. For regular verbs, we make the past participle by adding 'ed' to the infinitive. So play becomes played.
For example,
Two cups of coffee were drunk (we can add 'by me' if we want, but it isn't necessary).
