Conclusions made on the basis of unstated or stated evidence are called "inference".
Inference is mainly using observation as well as background in order to reach a logical conclusion.
We practice inference during our everyday lives.
Example:
When you enter your office and find everything clean and in place. You conclude that the housekeeping has cleaned the room
<span>Which of these best describes the mood of these lines?
(a.) hopeful</span>
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.