Which of the following constructions are correct? +1 to whomever gets all of them correctly and can explain why they are correct.
A) Jimmy and me went to the ice cream shop.
B) Jimmy and I went to the ice cream shop.
A) Mom gave Jimmy and I an ice cream cone.
B) Mom gave Jimmy and me an ice cream cone.
A) Aren't I the right person for the job?
B) Ain't I the right person for the job?