1. Tiffany found English very difficult.(adverb clause) She had not passed her last nine tests.(adjective clause) She decided to skip out the rest of the term. Vivian and Emma advised her to stay with it. (adverb clause)

2. Because Tiffany found English very difficult.(adverb clause) who She had not passed her last nine tests.(adjective clause) She decided to skip out the rest of the term. even though Vivian and Emma advised her to stay with it. (adverb clause) Now, join together and remember comma rules.

3. Because Tiffany, who had not passed her last nine tests, found English very difficult, she decided to skip out the rest of the term even though Vivian and Emma advised her to stay with it.

4. The administration could not find any suspects for the prank. They had been working hard on the case.(adjective clause) The prank was committed in E-Wing.(participle phrase) It occurred during block 1-1.(prep. phrase)

5. The administration could not find any suspects for the prank. who They had been working hard on the case.(adjective clause) The prank was committed in E-Wing.(participle phrase) It occurred during block 1-1.(prep. phrase)

6. The administration, who had been working hard on the case, could not find any suspects for the prank committed in E-Wing during block 1-1.

7. James watched his favourite cartoon distractedly. His thoughts were on his up-coming English test. (absolute phrase) James was a conscientious student. (appositive)

8. James watched his favourite cartoon distractedly. His thoughts were on his up-coming English test. (absolute phrase) James was a conscientious student. (appositive)

9. His thoughts on his upcoming English test, James, a conscientious student, watched his favourite cartoon distractedly. James, a conscientious student, watched his favourite cartoon show distractedly, his thoughts on his upcoming English test.