Many a person_ had that kind of experience中间为何要填has全文的意思

Many a person_ had that kind of experience
中间为何要填has全文的意思

这是考查主谓一致这一语法现象.这是根据就近原则.尽管Many a在意思上是表示许多,但在使用时,当作单数看待.因此后面接单数的动词.
这句话相当于
Many persons have that kind of experience.
许多人有那类经验.