is to go/ is go/ is going

English as a Second Language English Vocabulary, Grammar and Idioms
1
  1. What I’d like is to go shopping tomorrow.
  2. What I’d like is go shopping tomorrow.
  3. What I’d like is going shopping tomorrow.
    Are all three correct?
    Please comment. Thanks.
2

A similar query has been asked (by you) many times before. #3 is incorrect, I think.
Let the moderators give their opinions regarding 1 and 2.

3

2 and 3 are incorrect.