Past :
1.
- Harry ate six shrimp at dinner.
(active)
At dinner, six shrimp were eaten by Harry.
(passive)
2.
- I ran the obstacle course in record time.
(active)
The obstacle course was run by me in record time.
(passive
3.
- The crew paved the entire stretch of highway.
(active)
The entire stretch of highway was paved by the crew.
(passive)
Present :
1.
- The teacher always answers the students’ questions.
(active)
The students’ questions are always answered by the teacher.
(passive)
2.
- The choir really enjoys that piece.
(active)
That piece is really enjoyed by the choir.
(passive)
3.
- Beautiful giraffes roam the savannah.
(active)
The savannah is roamed by beautiful giraffes.
(passive).