succeed的用法：
他的计划成功了。
误：His plan was succeeded.
正：His plan succeeded.
析：succeed 表示“成功”，是不及物动词，因此不能用于被动语态。
他终于把那个问题解决了。
误：At last he succeeded to solve the problem.
正：At last he succeeded in solving the problem.
析：表示做某事做成功了，succeed 后通常不接不定式，而接 in doing sth。
又如：He succeeded in getting the job.（他谋到了那份工作），She succeeded in (passing) the exam.（她考试及格了）
失败是成功之母。
误：Failure is the mother of successes.
正：Failure is the mother of success.
析：success 表示抽象意义的“成功”，是不可数的'；表示具体意义的“成功的人或事”, 则是可数的。比较：Success does not usually occur early.（大器晚成），His new book was a great success.（他新出版的书获得了巨大成功）。再比较：He has had great success in business.（他事业上很成功），He was a great success in business.（他事业上很成功）。