对不定式的体、语态变化总结如下主动语态、体的变化，一般体：to do； 进行体：to be doing； 完成体：to have done, 完成进行体：to have been doing被动语态、体的变化：一般体：to be done；进行体：???；完成体：to have been done, 完成进...
...0m venture, away from the city's downtown smog.译文：Le Amor退休公寓的总裁透露了她为什么要在这个远离城市喧嚣胀气的宜人乡间建立她耗资1000万美元的养老公司。问：coy about sth 的意思是：" 不愿提供信息的；不肯作答的；含糊其辞的 "...
This is not they had exprcted after years of painstaking research.A.a result as bad as B.as a result as badC.as bad as a result D.as bad a result as 老师这道题选D，同级比较的概念，为什么C不可以呢？
Mary was invited to give a speech in the morning.(中的不定式为什么是主补) The doctor managed to persuade the patient to receive an operation.(中的第一个不定式为什么为宾语)这二者有什么区别 我觉得第一个例句不定式为宾语。