This morning the police found the car that was believed in a

This morning the police found the car that was believed in a robbery of a city bank .A.to be used
B.to have been used
问：如果时态是一般现在时的话能选A吗

不能.
不定式的完成形式to have done sth,强调不定式所表示动作发生在谓语动词之前.
从句意来看,be used in a robbery of a city bank就发生在find或be believed之前.
所以,不管谓语动词是什么时态,该不定式短语都只能用完成形式.
再如：He is said to have gone abroad.
据说他已经出国了.
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