I was a student改一般疑问句,一般疑问句回答,特殊疑问句

I was a student改一般疑问句,一般疑问句回答,特殊疑问句 I have a lunch改一般疑问句和特殊疑问句 I was not a teacher at that time一般疑问句：肯定回答：否定回答：特殊疑问句： She was a student.改一般疑问句和否定句 He was a student.（改一般疑问句） I am a student.怎样改一般疑问句 I was a baby.改一般疑问句:改否定句: i was a student of grade five.一般疑问句并否定回答 I was at home yesterday改成一般疑问句,肯否回答,否定句和特殊疑问句 I am a student.改为一般疑问句 I'm a student.改为一般疑问句 I am a boy改一般的疑问句并回答