seldom放在句首造句

　　1、Seldom have I failed an exam before.

　　之前我很少失败的考试。

　　2、Seldom have I read a story so touching as this.

　　我难得读到如此动人的小说。

　　3、Seldom have I met him in the street.

　　我很少在街上碰见他。