you mustn't walk ong the grass.

you mustn't walk ong the grass. Peop mustn't walk on the grass in the park 1.You mustn't walk on the grass （改祈使句） 2.Kate is flying a ki It means "YOU mustn't walk on the grass."（划线提问）划的是引号里面的 ____ you can’t walk（）the grass. You mustn't walk on grass,must you?后句中的must用的对吗? you can't walk on the grass 改为祈使句.. you shouldn't walk on the grass.改为祈使句 you shouldn't walk on the grass(改为祈使句） you shouldn't walk on the grass的同义句? you must keep off the grass; you mustn't pick the flowers; y Don't walk on the grass.You ____ _____walk on the grass