He works in a hispiital变否定句We sing in the room变否定句
stand in a line变否定句
He has to finish the work in two hours 变否定句怎么变?
there are some students in the room变一般疑问句和否定句
lost of running stars are in the room.怎么变否定句了
He works in a factory改为否定句
come in,please 变否定句
let him come in.变否定句
Ann does her homework in the evening.变否定句
She buys some food in the mall.(变否定句)
he cleans his room in the morning否定句
We should walk in the corridors(变否定句、一般疑问句)
oh ,and we also have to be quiet in the library 变否定句