Can someoone help me with 1a 1b and 1c

Ok ima try my best hoping this would work if not let me know. hehe I learned this in 8th grade oh god

Explanation:

1A:1c, 2a, 3b

1b Ima let someone else answer that lol

1C:

1: He had gone to the doctor (im guessing)

2: He have never gone to the doctor

3: Had he gone to the doctor?

again this is old to me so i tried my best . Hope this works if not let me know.

it probably should so i can spam dank memes