提升主语结构并非都有to be. 例如:Tom is said to have a big house. Mary is believed to have moved to China. 只有原来的that从句的谓语动词含有be, 提升主语结构才必要有to be. that从句为there存在句时,一定有be. 所以there提升为主句主语时,后面一定有to be.
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It's silly worrying about things which are out of your control.这个句子不针对具体某人,只是泛泛而谈,用动名词作主语。 Nick is worried that He can't get promoted, but I think it's silly to worry about things which are out of his control.这个句子silly是针对Nick担心这件具体的事例...
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equate为及物动词,意为把...视为同等。语义上就要求宾语为二个事物。所以其用法为:equate A and B. 如果equate只接了名词A作宾语,其动词的语义是不完整的,必须加必具性状语with B。介词短语为形容词或副词性结构,在这里是使动词语义完整不可或缺的成分,所以是修饰动词的状语,这个状语是必具性的。equate A with B,...
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从构词角度讲,可以有 a war criminal, 也可以有 a criminal of war; 可以有 a prisoner of war, 也可以有 a war prisoner。但这里牵涉语言习惯问题。最初使用的某个形式被大家认可,随后大家就习惯用某个形式。没有其他特别的为什么,你也不必为此烦恼,随大流使用大家习惯用的术语即可。学英语如果追究这些问题,就是走偏...
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