a sentence containing a subordinate clause or clauses or you can also say its a complex sentence contains an independent clause and at least one dependent clause.
Marcellus believes that the ghost of King Hamlet has been appearing, but Horatio does not believe that could be possible.
Marcellus brings Horatio out in hopes that the ghost will appear again that night so Horatio can see it with his own eyes and finally believe what they've been saying.
Answer: No, you can not say it is possibly. You must say, in order to be grammatically correct, it is possible.
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Explanation:
