Answer:
The use of foreshadowing in this text is used to keep the reader aroused and to avoid a possible disappointment. At the beginning, the narrator expresses his/her feelings when going back to Aunt Gertrude's house. It seems that the atmosphere is very nice because it is compared to a fairy tale but then then , the mood changes and the reader gets the impression that something wrong is going to happen. the mentioning of the ´fairy tail´could be associated with the good gesture Gertrude had with the orphans and the change of mood with the secret about to be discovered.
Explanation:
In order to write this kind of essay, it is important to find clear examples of cause and effect.
For instance, I helped my friend with a huge problem so now she is happy. I studied a lot during the weekend and I got a 10 in the exam.