My sister is in the room(改为否定句)

My sister is in the room(改为否定句) This is my sister's room改为否定句 this is my sister' room改为否定句 改为否定句；1come to look for me in the front room.2My sister did there is a desk in the room ｛改为否定句｝ somebody is in the room.改为否定句.有几种改几种. she is my sister.改为否定句. She is my sister.改为否定句 This is my room 改为否定句 Is the girl in the room your sister?改为肯定句 my sister often catches insects in the park.改为否定句 改为一般疑问句和否定句.My sister and I are in the same school.