【问】 be sure to do与be sure of doing这两种结构在意义上是否相同?
 【答】 be sure to do与be sure of doing在意义上是不一样的。请分析下面的实例：
 1. John is sure to pass his exam.
 约翰一定能通过考试。(说话人确信约翰能通过考试)
 2. John is sure of passing his exam.
 约翰确信自己能通过考试。(约翰本人确信他自己能通过考试)
 3. George is sure to see Mary. (RGSE)
 乔治肯定会去看玛丽。(说话人肯定，而不是乔治肯定)
 4. He's sure to refuse to be back soon. (Foster)
 他准会拒绝马上回来。(说话人确信……)
 5. Many people are sure to lose their jobs. (CGEL)
 必定会有许多人失业。
 6. Janet is sure to be put on the committee. (CGEL)
 珍妮特一定能被派入委员会。
 7. Janet is sure of being put on the committee. (CGEL)
 珍妮特确信自己能被派入委员会。
 8. You are sure to find what you are looking for in that book.
 你一定能在那本书里找到你所要查阅的东西。(说话人肯定)
 9. She is a strong swimmer and many people feel that she is sure to succeed.(NCE I，L.36)
 她是一个很强的游泳能手，许多人都认为她一定能成功。
 请做下面的英语试题：
 “Did you see Peggy at the dance? ” “ No，but she is so pretty that if she had been there Isure to see her. ”
 A. had been B. would have been
 C. could have been D. ought have been(TOEFL，70. 1)