help什么时候加s

在第三人称单数后为动词的现在式要加S。

help的第三人称单数：helps

v.帮助;协助;援助;改善状况;促进;促使;搀扶;带领

例句：

My family helps to keep me centred.

家人帮助我保持冷静。

Moisturizing cream helps to keep your skin soft and supple.

保湿霜有助于保持皮肤柔软有弹性。

Television helps to relieve the boredom of the long winter evenings.

电视有助于打发漫长无聊的冬夜。

Lined paper helps keep handwriting neat.

印有横线的纸有助于书写工整。

Art has real meaning when it helps people to understand themselves.

当艺术有助于人们了解自身的时候才有真正的意义。