I’m in the classroom[改为否定句]

I' m in the classroom的过去式 i'm siting in front of the classroom改错 I’m in the classroom[改为否定句] In the classroom,I sit___Tom I'm tall,lingling is short,so in the classroom,I sit( )her.填什么. i'm late.i want to come into the classroom.有礼貌地提出要求i'm late.____ ____come in? I'm in the classroom改为一般疑问句,做肯定回答怎么写? I‘m in Class One.The walls of our classroom are I'm still on my chair in the classroom .汉语意思 I am studying math in the classroom.（对画线部分in the classroom提问） I was in the classroom just now.(改为一般疑问句,对in the classroom 提问） I find Bob in the classroom 对划线部分（in the classroom）提问 A:Oh, dear, you eat in the classroom. B:I＇m sorry. I＇m a new exchange student here. I don＇t know I’m late.I want to come into the classroom.(有礼貌地提出要求）I’m late .___ ___ come in? I like the classroom where I used to study I like the classroom which I used to study inI like the classroom I used to study in I like the classroom in which I used to study 这四句都对吗 Jim and I _________ （be） in the classroom. I [ ]a book in the classroom yesterday.[leave] I sit in front of the classroom.哪里错了?