They are good teacher Dota is my teacher 改成陈述否定句和一般疑问句

问题描述:

They are good teacher Dota is my teacher 改成陈述否定句和一般疑问句

第一句,陈述否定:they aren't good teacher.
一般疑问句:are they good teacher?
第二句,陈述否定句:dota isn't my teacher.
一般疑问句:is dota my teacher?