鉴定以下语句是否符合语法规则，并指出哪些部分存在问题。


语句：
- I am a English professor in the University of New York.
- She don't like coffee.
- Him and I went to the mall yesterday.
语句：
- I am a English professor in the University of New York. 
 (存在问题：应该是 “an English professor” 而不是 “a English professor”)

- She don't like coffee. 
(存在问题：应该是 “She doesn't like coffee.” don't -> doesn't)

- Him and I went to the mall yesterday. 
(存在问题：“Him” 应该改为 “He”，并且应该是 “He and I” 而不是 “Him and I”)