. Complete each statement with right question tag.
1) The moon goes round the earth,
2) The earth is bigger than the moon,
3) Asian people don't like rice,
4) Elephants live in Europe,
5) You haven't got $10 to lend me,
6) You can swim,
7) You didn’t know where the boss was,
8) This meal is horrible,
9) The meeting is tomorrow at 9am,
10) You won’t go without me,

Сначала надо определить сказуемое в предложении и в какой форме (времени) оно используется. Потом при помощи вспомогательного глагола и нужного местоимения образуем tag = "хвостик", применив правило "батарейки":

если предложение утвердительное (+), то хвостик отрицательный (-) и наоборот ( -, + ?)

1) The moon goes round the earth,  doesn't it? ( +, - ?)

2) The earth is bigger than the moon,  isn't it?

3) Asian people don't like rice,  do they? ( -, + ?)

4) Elephants live in Europe,  don't they?

5) You haven't got $10 to lend me,  have you?

6) You can swim,  can't you?

7) You didn’t know where the boss was,  did you?

8) This meal is horrible,  isn't it?

9) The meeting is tomorrow at 9am,  isn't it?

10) You won’t go without me, will you?