Question

List the rules of question tags​

Answer 1

If the statement is negative, the tag must be positive. If the statement is positive the tag must be negative.

The tense of the tag is determined by the tense of the auxiliary/modal verb of the statement that precedes it.

Answer 2

The two basic rules about tag questions are:

1 If the statement is negative, the tag must be positive. If the statement is positive the tag must be negative. ...

2 The tense of the tag is determined by the tense of the auxiliary/modal verb of the statement that precedes it.