改成否定句 My mother is an Engelish teacher. My mother ___ ____En

改成否定句 My mother is an Engelish teacher. My mother ___ ____En My mother is a teacher 改为否定句是什么? My mother is happy today.(改为否定句) My mother ___ ___ today. My mother is a doctor.（改成否定句） this is my mother 怎么改成否定句 My mother is young.改成否定句是什么? My mother is an English teacher.的同义句 my mother is an english teacher?（改为同义句） my mother _____ ____ This is my mother 变为否定句 同义句转换My mother is an English teacher in a primary school.My My mother is a teacher.She is busy,___. the teacher is my mother