(11) The dog chased the cat up the tree.
- (a) The cat was chased up the tree by the dog.
- (b) The cat was being chased by the dog up the tree.
- (c) The cat was chased up the tree.
- (d) The cat chased up the tree by the dog.
(12) The children are watching a movie in the living room.
- (a) A movie is being watched by the children in the living room.
- (b) A movie was watched by the children in the living room.
- (c) The children watch a movie in the living room.
- (d) A movie has watched by the children in the living room.
(13) The teacher assigned homework to the students.
- (a) Homework assigned to the students by the teacher.
- (b) Homework has been assigned to the students by the teacher.
- (c) Homework was assigned to the students by the teacher.
- (d) The students assigned homework by the teacher.
(14) The company may launch a new product next year.
- (a) A new product may be launched by the company next year.
- (b) A new product may launch by the company next year.
- (c) A new product may be launched next year by the company.
- (d) A new product may have been launched by the company next year.
(15) The students had completed the assignment before the deadline.
- (a) The assignment had been completed before the deadline by the students.
- (b) The students have completed the assignment before the deadline.
- (c) The assignment had been completed by the students before the deadline.
- (d) The students will complete the assignment before the deadline.
