Verb Tenses. Where (pandas, live) ?

Reflect on the strange case of dr. jekyll and mr. hyde. in five to six sentences, explain how dr. jekyll develops

The difference between a guess and an inference is a. an inference is not supported by evidence while a guess is. c. a guess and an inference are the same thing. b. a guess is not supported by evidence while an inference is. d. none of the above

Iwill have sailed around the world by the end of next year. what is the verb form in the sentence? future perfect past emphatic present progressive past perfect