这个句子改成否定句,怎么改The boys felt tired so they put out the fire and crept into the tent.

这个句子怎样改成否定句：将“The boy had breakfast at home this morning.”这句话改成否定句 难道你不清楚这个问题吗?把这个句子改成双重否定句怎么改 改成否定句怎么改 这个句子改成否定句,怎么改The boys felt tired so they put out the fire and crept into the tent. The boy speak Chinese.(改成否定句) Everyone know the answer 改成否定句 怎么改? This is the computer room.改成否定句 怎么改 否定句怎么改,要详细,比如They are reading the newspaper改成否定句 改成双重否定句怎么改 怎么把这个英语句子改写成否定句?The baseball is in my room 英语否定句怎么改?急,快I took the bus to the book store.怎么改成否定句?急, the boy can have an ice cream改成否定句 怎样把 The boy is playing basketball.改成否定句 The plates are on the table 的改成否定句 怎么改? 这个事情真的太奇妙了改成双重否定句怎么改 改否定句:The boy speaks Einglish very well. The boy playing football yesterday is my son 这个句子的定语用了ing形式对吗.为什么 如果改成定语从句应该怎么改 把this book is the same as that one改成否定句,怎么改