13. The train is scheduled to leave at 8pm.

　　14. All are supposed to come to the meeting on time.

　　15. The case was reported to the police.

　　13到15的主动语态为下，但却少见：

　　＊The railway officer schedules the train to leave at 8pm.

　　＊The director supposes all to come to the meeting on time.

　　＊Someone reported the case to the police.

　　最后还有一种情形，就是相当多动词出现在be + 过去分词 的结构里。看上去，它们像是被动语态；实际上，并没有被动的含义。更有趣的是，这些be后头的过去分词（the past participle ）已经渐渐转化为形容词，充当be和其他接击动词（linking verbs）的补足语（the complement）；因此不能和被动语态混为一谈。下面是 8 个常见的例子：

　　16. Many undergraduates here are interested in business administration courses.

　　17. We were surprised at the unexpected news.

　　18. Most successful people are distinguished for their courage and diligence.

　　19. David was very pleased with my work.

　　20. One can be tired of doing anything some of the time.

　　21. We are quite concerned about our friends predicament.

　　22. Joelle is overwhelmed with joy.

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