3. Students study information technology everyday
->  information technology is studied by students everyday
4. They grow coffee in more than 50 countries around the world
-> coffee is grown  in more than 50 countries around the world 
5. Artisans make conical hats skillfully
-> conical hats are made skillfully by Artisans
6. My father reads newspaper every morning
-> newspaper is read by My father every morning 
7. The waiter brings me this dish.
->i am brought this dish by The waiter