be quiet, please.该否定句be动词不是应该在后面加not吗

please be quiet 改为否定句 ______ ______ quiet ,please. Please be quiet (改成否定句) Please _____ ______ quiet. please be quiet.变否定句.为什么? be quiet, please.该否定句be动词不是应该在后面加not吗 Please be very quiet.改为否定句 Please（ ）（ ）very quiet. 英语变形Please be quiet变为否定句! Billy,please be quiet.改为否定句怎么做 Be quiet 否定句 Billy,please be quiet. Please be quiet 是什么意思? And please be quiet. Silence,please!Please be quiet! Please be quiet in class .（改为否定句）Please ---- ----- ---- in class . 改成否定句“Put them away ”还有一个，Be quiet也该否定句 please keep quiet (改为否定句) WILL YOU PLEASE BE QUIET PLEASE怎么样 Keep quiet,please.(改否定句)___ ___ quiet. please be quiet 与 please keep quiet 区别是什么