Answer:
8 Her movement was limited in her left shoulder but her right shoulder was not. This is a case of a run on sentence.
9. His ankle was red and swollen. Although he reported no pain. this is a case of run on sentence, the connector is not the right one.
10. He has been taking an antihistamine, what he really needs is a decongestant. This is a case of run on sentences, we need a connector.
11. After she finished typing the letter, making the coffee, and filed the reports, Virginia took a break. This is a case of a lack parallel construction, filed is incorrect "filing" is the correct suffix.
12. Henry got up each morning and walked the dog then he sat down and ate some breakfast, read the paper from cover to cover, and then he finally left for work. This is a case of run on sentence.
13. Because he had never flown on an airplane before. This is a case of a fragment sentence
14. Walking down the street, the Chrysler building glistened in the winter sun. This is a case of dangling participle.
15. Her greatest passions in life were quilting and to swim. This is a case of lack of a parallel construction.
16. I saw a beautiful car, and it was British racing green, and it had unbelievable leather seats. This is a case of run on sentence.
17. Because it is generally believed that professional writers never revise. This is a case of a fragment.