Sb.is considered(to have invented还是having invented)
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Sb.is considered(to have invented还是having invented)
Sb.is considered(to have invented还是having invented)
Sb.is considered(to have invented还是having invented)
应该说Sb.is considered to have invented,意思是 (人们) 认为有人已经发明了.
动词不定时的完成体形式 to have done 表示 “已经”或“以前”怎么样了,相对于谓语动词的时态而言,也就是说那件事情发生在谓语动词所表示的事件发生以前.假如谓语动词时过去时,那么这个 to have done 的事件就应该是过去的过去了.例如:
He was thought to have past the test.大家认为他已经通过了考试.(“大家认为”是在过去,那么“他已经通过了考试”当然是在过去的过去 --- 在“大家认为”的过去,先有“他通过了考试”,而后才有“大家认为”.)
原谅罗嗦,但希望是解释清楚了.
to have invented
Sb.is considered(to have invented还是having invented)
as far as sb.is considered
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