1. Do you know the name of the ballet with a boy named Fritz and a girl named Clara?
-the reason why you don't use does you is because structurally it doesn't make sense. Never use does you together, when asking a question.
2. Tony said that baseball practice had been changed to Tuesday at 7:30.
- for this one there are several ways to correct the sentence. You can use the words : was changed, had been changed, had changed. It just depends on when the comment was made to the other person.
Hopefully this helped.
If you're meaning just a sentence with these two words, then:
She approached the significant hole in the wall, peering through it, a soft sigh of defeat passing her lips when she saw that the impenetrable vault she was meant to go wasn't there.
That help any?
It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, based on the given lines above, the literary device that Sophocles uses in these lines to keep the audience interested is DRAMATIC IRONY. Hope this helps.
C. ALL THE MOST IMPORTANT DETAILS IN A STORY
Because where the setting takes place and what's in the settings