Question

(Compete the tag-questions)
1)Your parents have never learnt English or other foreign languages....?
2)Nowdays all educated should know English.....?
3)Students at your school speak English durning the break-times as well as durning the English lessons....?

Answer 1

aren't you mistaken? instead of "compete" should be "complete"(дополнить).
1)...,have they?
2)...,shouldn't they?
3)...,don't they?