Which of the following sentences correctly uses the past perfect continuous form of the verb "to be"?

In the sentence "If he were to be chosen, he would move abroad", the verb "were to be" functions as:

Which transformation maintains the original meaning: "They are believed to be guilty"?

Identify the grammatically correct passive construction:

Which sentence shows a correct use of the verb "to be" in the future perfect passive?

What is the function of "to be" in the sentence: "To be or not to be, that is the question"?

In formal academic writing, which is the best alternative to avoid repetition of "to be" in the sentence: "The result was that the solution was incorrect"?

Choose the sentence that correctly uses "being" as a gerund with "to be":

Which sentence correctly uses "to be" in a causative construction?

What is the voice and aspect in the sentence: "He has been being questioned by the committee"?