It is believed to be是什意思?

It is believed to be是什意思? It is believed again to meet you Why is it believed that much remains to be done before black Americans enjoy full equality? People believe that he is ill变被动语态变为被动语态It is believed that he is ill．（或：He is believed to be ill．为什么不能说He is believed that he is ill. People believe that he is ill变被动语态变为被动语态It is believed that he is ill．（或：He is believed to be ill．） 可不可以也说He is believed that he is ill. mars is not,it seems,the dry old planet we once believed it to be.为什么believe后面要用it to be?我选it错了. 英语翻译翻译：Why is it believed that much remains to be done before black Americans enjoy full equality? 被动语态 改写句子People believe that he is ill.改写成 It is believed that he is ill还是It is believed that he is ill by people.因为It不是形式宾语嘛,会不会和by people重复,导致错误呢?或改写成He is believed to be ill be believed to 什么意思? be believed to have done this picture is believed 填空 painted by Turner A it was B to be C to being D to have been求详解 It is generally believed that being hard-working is just_____it takes us to be successful in our career .A.that B.whether C.what D.how It is believed that all Chinese are proud of Chinsa Open （ ） in 2011A to be hosted B hosted C hosting D to host The book is believed to be uninteresting.to be uninteresting具体做什么语? why is it believed much remains to be done before black a mericans enjoy full equality谁帮我回答这个答案 he is believed to be one of the best living composer据信他是活着的最好的作曲家之一.is believed to be 是据信的意思? People believe that he is ill.改被动He is believed to be ill.怎么会出现不定式to be the flu is believed to be caused by viruses 什么意思 解释下 谢谢