Express the same using passive constructions 1. people invited surfing a very long time 2.they gsthered the harvest in october 3. we will tell you the results of the test 4.they will play ten matches next season 5. people make jams from different fruuits 6.the doctor will cure his patient by all means

1. Surfing was invented a very long time ago.
2. The harvest was gathered in October.
3. You will be told the results of the test.
4. Ten matches will be played next season.
5. Jams are made from different fruits.
6. The doctor's patient will be cured  by all means.