Lesson XIX: Passives - Receiving Form

170 Exercise: A.3.1. Practice Past-HAVE and Past-HAD-AF Transform activities to states. For example: The students have made a lot of school post cards . A LOT OF SCHOOL POST CARDS HAVE BEEN MADE . Edison had invented the electric bulb before I was born. THE ELECTRIC BULB HAD BEEN INVENTED BEFORE I WAS BORN. Some workers have finished the job recently. THE JOB HAS BEEN FINISHED RECENTLY. 1. The pupils of the second grade have written these compositions recently. 2. The janitor had fastened the windows before we went to bed. 3. Someone has stolen my backpack. 4. I had paid off all of my bills before I went to the United States. 5. They have sold their car recently. 6. He had repaired the apartment before he moved in. 7. Ex-owner had sold the ponies before I bought the farm. 8. The researchers have published many papers on the subject so far.