<span>To a secret playhouse made from an excavation in the back yard</span>
You'll want to leave it out. if it isn't conducive to the content of your paper, it's more like a distraction from what you're trying to say. parentheses might be a "safe" way to signify a side topic, but it weakens the paper as a general statement because the reader has to pause and take a moment to absorb a new topic before going back to what you were saying
I think on a separate page at the end of a document.
Answer:
As you may have observed, all continuous tenses use a form of the verb 'be' and a present participle, whereas all perfect tenses use a form of the verb 'have' and a past participle.
Explanation:
She said that, they would help if they could
