1. Robert is said___abroad, butwe don’t know what country he studied in.A.to have studied B.to study C.to be studying D.to have been studying
2.Charles Babbage is generally considered__the first computer.
A. to have invented B.inventing C. to invent D.having invented
3.I would love__to the part last night but Ihad to work etra hours to finish a report. A.to go B. to have gone C. going D. having gone
4.Tom ought not to__me your secret, but he meant no harm.
A. have told B tell C be telling D having told
一.形容词+to have done
1.Glad to have seen you here.Bye.(告别时用语) 很高兴见到你.
比较:（刚见面时用语）Hello!Glad to see you here.
2.I’m sorry not to have attented your party last night.(=I’m sorry I didn’t...)很抱歉昨晚没能参加你们的聚会.
二.It +系动词be +表语+ to have done
1.It’s my pleasure to have been invited to your party last night.昨晚能应邀参加你们的聚会是我的荣幸
2.It’s a pity for you not to have seen the film last night.(=It’s a pity that you didn’t see...)昨晚你没看那部影片真是件遗憾事.
三.动词+it (形式宾语)+宾补+ be to have done ( 注意同句式二的相互转换)1. I think it a pity for you not to have seen the film last night.
我认为昨晚能应邀参加你们的聚会是我的荣幸
2.I consider it a pity for you not to have seen the film last night.我认为昨晚你没看那部影片真是件遗憾事.
四.seem/appear+to have done
He appears to have waited for a long time.(=It appears that he haas waited...)他好像一等了很长一段时间了.
They seem to have known the fact.(It seems that they have known the fact.)他们好像已知道了真相.
五.主语+系动词+Be + said/ thought /considered /repirted /believed +to have done
He is said to have died in the Second World War.(=It’s said that he died...)
据说他死于第二次世界大战.
2. China is reported to have launched another man-made satelite recently.(=It’s reported that China has launched...)据报道,中国最近又发射了一颗人造卫星.
(注:在以上五种句式中,动词不定式完成式表示的动作或状态都发生在谓语表示的动作或状态之前)
六.谓语+To have done
1.表示 “希望”等含义的动词过去时+To have done, 表时未曾实现的希望或计划等.此类动词常用的有Hoped wished , wanted, expected, meant, planned,以及 promised, was,would like等.如:
He hoped to have attented the party last night, but didn’t find time.
昨天他本想去参加聚会,但没抽出时间.
The plane was to have taken off at 8am, but the heavy rain delayed its leaving。飞机原定八点起飞,但大雨使它推迟了.
2.表示 “希望”等含义的动词现在时＋To have done,表示将来某时,某事已经发生或完成.如:
I hope to have reached Bei jing by next Friday.(=Ihope that Iwiil have reached Beijing by next Friday.)我希望下周五我已到北京了.
七.Ought +to have done本该做,却未作
You ought to have finished it yestrday. But why didn’t you?
你昨天应该完成了.但是为什么没有呢?