Напишите следующие предложения в отрицательной и вопросительной форме.a) unemployment has reached a new high. b) the developing countries have become a region of all-out poverty.

a) Unemployment has reached a new high. 
Unemployment hasn't reached a new high. 
Has unemployment reached a new high?
b) The developing countries have become a region of all-out poverty.
The developing countries haven't become a region of all-out poverty.
Have the developing countries  become a region of all-out poverty?