few的比较级是less吗

　　例句：

　　The reality is that only a few young people will go into teaching.

　　实际情况是，只有很少的年轻人会去当教师。

　　I made only a few small changes to the report.

　　我对报告只做了几处小改动。

　　In my experience, very few people really understand the problem.

　　据我的经验看，真正理解这个问题的人很少。