【问】 he is sure to do与he is sure that这两种句型是否表达同样的意思?

【答】 这两个句型所表达的意思是不同的。He is sure to pass his exam.这句话表示说话人确信他会通过考试(表达说话人的观点)，而He is sure that he will pass the exam.则是表示主语he本人确信他能通过考试(表达主语he的观点)。请看下面的例句：

1. In any case the truth will be sure to come out. (Voynich)

无论如何，真相肯定会水落石出。

2. He would be sure to meet disaster if I didn’t stay to keep an eye on him. (Gronin)

要是我不在这儿照看他的话，他肯定要遭灾的。

3. Many people are sure to lose their jobs. (CGEL)

许多人肯定会失业。

4. He is sure (that) the party will be a success.

他确信这次聚会将会获得成功。

5. Reagan seemed sure that he would win the election.

里根似乎确信他会在大选中取胜。