Question

She went to the shop and saw an advertisement for a secretary.

a) If she hadn't gone to the shop she wouldn't have seen an advertisement for a secretary.
b) If she didn't go to the shop she wouldn't see an advertisement for a secretary.
c) If she doesn't go to the shop she will not see an advertisement for a secretary.

Answer 1

b) if she didn't not go to the shop she wouldn't see an advertisement for a secretary.