I believe it's the speech used such as first person, second person, or third person.
Answer:
To indicate an omission
Explanation:
Porque el hace el truco de magia que nunca lo hizo.
Explanation:
number 1= don't I?
number 2= aren't they?
number 4= don't I?
I think number 3 is donot they?
Answer:
The lady sings quite nicely, doesn't she?
Explanation:
This is an example of a question tag because it repeats the same question that it asks at the beginning of the sentence as it does at the end.