I am a student.You are a doctor.He is a boy,and Mary an astronauts

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是什么意思 i am being a student. You are a student变一般疑问句是Are you a student?还是Am I a student?为什么? I am a student.对还是I am student. I am a student.改为一般疑问句为什么改为“Are you a student?”为什么不该为“Am I”? I am ( ) student A:a B:an I am a student （） a school. You are a student.I am a student as well.[改同义句】 [ ] you [ ] I are students. i后面什么时候接am?像i am a student像i love you.什么情况下加am啊? I am a student的反义疑问句为什么是 aren't you为什么不是am Are you a American student?I am study in USA,I want ask you some question. Are you a student?____.A.Yes,I am.B.Yes,I'm I am a student.改为一般疑问句 i am a student.改成疑问句 I am a student是什么时态 i am a student 什么时态? I am a student 做一般疑问句