You is my teacher 这句话哪里错了

"My English teacher is very strict with her work"这句话错在哪里了 Mrs Black is a teacher 这句话哪里错了 is he you teacher哪里错了 Are you my English teacher?Yes,I`m.这句话错在哪里? My month teacher is very busy这句话错在哪里 Mrs black is a teacher .She is very kind .这句话哪里错了 My favourite fruit is grapes 这句话哪里错了 I hope you to become a teacher.这句话哪里错了? He is our teacher. We love to listen to he. 这句话哪里错了 Judged from his book,he is a teacher.这句话哪里错了 Everyone are your teacher这句话哪里错了 This is my ruler,That's you ruler 这句话有错么?错在哪里?