Can someone help me?

Which verb from is used to indicate the perfect progressive tense

(important to read ender's game before answering) in what ways can people be both intelligent and foolish at the same time? how does the author show ender’s intelligence enabling him to fight against authority? make sure your ideas are well-organized and clear. review your word choice and make sure supports your purpose. edit by correcting errors in spelling and grammar and give your work a final polish.

The brother of a presidential candidate writes an editorial in which he defends this candidate against charges of corruption. in such a circumstance, it is most appropriate for the reader to a) suspect that the candidate may have been framed. b) consider whether the candidate has the best family or not. c) wonder if the writer may be biased, due to his family connection. d) wonder if the writer may be inaccurate, due to wanting to get people to read his column. \