9 i got the letter which the  postman post for me.
10 the lights are turned on.

8. He had the luggage carried home by the waiter 
9. I got letter posted by the postman  
10. The lights are turned on 
11. English is known to be an international language 
12. Don't let that silly thing happen again 
13. This phone will be continued to used by us 
14. Were jeans made two hundred years ago? 
15. The road was opened 10 years ago 

8. He had the luggage carried home by the waiter.
9. I got letter posted by the postman.  
10. The lights are turned on. 
11. English is known to be an international language. 
12. Don't let that silly thing happen again. 
13. This phone will be continued to used by us. 
14. Were jeans made two hundred years ago? 
15. The road was opened 10 years ago.