Verified answer

1 didn't he

2 do you

3 hasn't she

4 isn't she

5 did they

6 didn't it

7 can't you

8 are they

9 will he

10 didn't we

11 were you

12 could she

Если основное предложение утвердительное (+), то "хвостик" отрицательный (-). И наоборот.

То есть, схема такая:

+, -?

-, +?

Ответ:

1) He lived there, didn't he?

2) You didn't like sugar, did you?

3) She has finished the work, hasn't she?

4) She is too young, isn't she?

5) They didn't see you, did they?

6) It fell down, didn't it?

7) You can't help him, can you?

8) They aren't learning English, are they?

9) He won't come home, will he?

10) We liked coffee, didn't we?

11) You weren't there, were you?

12) She couldn't do it, could she?