有没有Musn't shout in the library.这种说法?

don't shout in the library ---Don't shout in the library,please. You can't shout in the library.(改为祈使句） You can't shout in the library(祈使句) 有没有come in the room 这种说法? you musn‘t read in the sun改为祈使句 You mustn't___(shout)in the library 翻译 有没有be major in这种说法 有没有All the work 这种说法 In the park,you musn't walking on the grass这句话哪里错了 we musn't (start a campfire )in the forest请问括号叫如何提问?谢谢. 英语填空it is----（粗鲁）of him to shout in the library.Please tell