Leonardo da Vinci(1452-1519)_________ birds kept in cages in order to have the pleasure of settingA.is said to be buying B.is said to have bought C.had said to buy D.has said to have bought发生在谓语动词之前不是应该用had .为什么答

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LeonardodaVinci(1452-1519)_________birdskeptincagesinordertohavethepleasureofsettingA.issaidtobebuyi

Leonardo da Vinci(1452-1519)_________ birds kept in cages in order to have the pleasure of settingA.is said to be buying B.is said to have bought C.had said to buy D.has said to have bought发生在谓语动词之前不是应该用had .为什么答
Leonardo da Vinci(1452-1519)_________ birds kept in cages in order to have the pleasure of setting
A.is said to be buying B.is said to have bought
C.had said to buy D.has said to have bought
发生在谓语动词之前不是应该用had .为什么答案要用have.

Leonardo da Vinci(1452-1519)_________ birds kept in cages in order to have the pleasure of settingA.is said to be buying B.is said to have bought C.had said to buy D.has said to have bought发生在谓语动词之前不是应该用had .为什么答
b
1 be said to have done sth :发生在谓语动词之前,to是动词原形的标志,所以to后面用动词原形
2 be said to +动词原形
3 相同的结构还有
be thought to
be believed to + do / be done
be reported to + be doing
be considered to + have( been) done
be known to
be found to

B