be/助动词/情态动词+主语+其他成分？

每天花那么多时间在电脑游戏方面有必要吗？
Is it necessary to spend so much time on computer games every day?

您能告诉我一些关于期中考试的事情吗？
Can you tell me something about the
Mid-term exam?

网上购物将会取代传统的购物方式吗？
Will online shopping take the place of the traditional shopping?

你是否拿了我放在桌面的钥匙？
Did you take the key(which/that was)put on the table by me?

你是否知道这里禁止吸烟？
Do you know that smoking is forbidden here?

你打算参加即将到来的运动会吗？
Are you going to take part in the coming sports meeting?

你还没有完成老师布置的作业？
Haven't you finished the homework assigned by teacher (yet)?