一般现在时被动语态格式: is/are/am + 过去分词
* The Great Wall is known all over the world. 长城闻名世界。
* Our classroom is cleaned everyday. 我们的教室每天都有打扫。
* He is regarded as brilliant by people. 人们认为他很有才华。
* Why is Wei Fang often praised by her teacher? 为什么魏芳经常受到老师的表扬？
* What is this flower called? 这种花叫什么花?
* The boy is asked to tidy up the sitting room. 要求那个男孩打扫客厅。