she cannot be reading in the library now.这个be 有什么用 做什么成分

she cannot be reading in the library now.这个be 有什么用 做什么成分 Love cannot be compelled why...i cannot be The page cannot be found you cannot be serious是什么意思 One cannot love and be The resource cannot be found. The specified URL cannot be The specified URL cannot be R.id cannot be resolved cannot be resolved什么意识 the battery cannot be identff The resource cannot be found. This item cannot be used Morningcall cannot be verified是什么意思 This value cannot be edit Might be everybody cannot replace. cannot play video sorry this video cannot be pllayed是什么意思