A. I am read a book sometime. --> I sometimes read a book.

I am go to the hospital sometime. --> I sometimes go to the hospital.​

I am do puzzle sometime. --> I sometimes do a puzzle.

​

=> Corrected: The sentences are corrected grammatically.

B. Thank you. (Correct)

Can I help me? --> Can you help me?

=> Corrected: The sentence is corrected grammatically.​

Sure.  (Correct)​​