he is a student.改为否定句

he is a student.改为否定句 I think he is a good student.(改为否定句） he is a good student in our school改为一般疑问句和否定句 He is a good student 改为一般疑问句和否定句 I can dranw a tree 改为一般般疑问句 He is a student 改为否定句和一般疑问句并做一般疑问句的否定和肯定回答. 谢谢! She is a new student.(改为否定句） she is a student.(改为否定句） He is a boy 改为否定句 He iS a teacher.改为否定句 He is a cook.改为否定句 He is a student in Grade Eight .改为同义句 Maybe he is a student.(改为同义句)