把祈使句变成否定句.怎么变?：句子：1.Give the vase to the boy.2.put the book on the desk.

把祈使句变成否定句.怎么变?：句子：1.Give the vase to the boy.2.put the book on the desk. 英语祈使句变否定句 祈使句怎样变否定句 1.You must ……是什么句?2.怎么把句子变成祈使句?3.You must play sports to make you stronger.改为祈使句怎么改? 祈使句 中的some在变否定句时some变any么?例如：have some noodles,please.变成否定句 把下列句子变成一般问句、作否定回答、变否定句I have a new book 否定句怎么变祈使句各位,帮我变个句子 You mustn't play with the dishes再详细点,OK? 告诉我为什么呢? 把祈使句变成否定句：1.please close the door.2.turn on the TV.3.make the bed. 简单句怎么变祈使句 句子变否定句 英语中,祈使句怎么变否定. 英语句子中把句子变化为否定句怎么变跪求 英语,否定句变祈使句解释下什么是祈使句,然后帮偶把下面一句英语改成祈使句：Kitty doesn't put rubbish on the playground. 含must的句子变否定句怎么变? Tom is doing his homework.变成否定句怎么变? Tom is doing his homework.变成否定句怎么变? you look smart 变成疑问句和否定句怎么变 如何把肯定祈使句改为否定句