1, This classroom may be used for the classroom.
2, A story is being gone to tell by the teacher
3, The cake is being cutted with the sharp knife by Mary.
4, The women was looked with a red hat by the children.
5, The victims have been provided with food and clothing.
6, The lesson is explained by the teacher.
7, The food is being cooked in the kitchen by Mrs Green.
8, The patients were examined by the doctor.
9, The noise was made these boys.
10, English is spoken all over the world.
11, The money was gave back by him this Sunday
12, This exercise can't be done quickly.