not adv.不
no adj.没有,不是 (=not a / not any)
never adv.从不
与 asdfg_zxcvb123 商榷答案：
1.He is not a teacher.（好）
2.He is no teacher 这个表达不地道,不可取
3.There are not any books in the room.（好）
= There are no books in the room.（好）
=There is no book in the room.（补充）
4.He never comes to see me 语法上经不住推敲.可以修改一下：
He has never come to see you.
或 He will never come to see you.
He never came to see you (last year)
5.He has never been to Beijing （好）
不过还是向他学习.------英语老师