请把I am a student改成一般疑问句,请把They do some exercise in the morning改成否定句

请把I am a student改成一般疑问句,请把They do some exercise in the morning改成否定句 i am a student.改成疑问句 i am a student.改成复数句 i know i am a student.i___i___a student把句子改为一般过去式 I am a university student.改成一般疑问句,并做否定回答. I am a student.改为一般疑问句 I am a student 做一般疑问句 I ‘am a student 一般一问句 I am a student of NO.3 middle school.i am a student of NO.3 middle school.把of 改成in 这里是表示所有格么? I am a girl改成一般疑问句? I am a doctor.改成一般疑问句 I am a student 改成反意疑问句 I am a student怎么变一般疑问句,是两种Am i a student?Are you a student吗? I am a student.怎样改一般疑问句 I am a student.的一般疑问句怎么变? I am a student.怎样改一般疑问句 I am a student 改为一般疑问句和否定句 I am a student (改为一般疑问句）