动名词引导的主语从句例句如下：

John's having seen her did not make her worried.

解释：约翰看见了她，这并没有使她不安。

Her coming to help encouraged all of us.

解释：她来帮忙鼓舞了我们。

Mary's being ill made her mother upset.

解释：玛丽病了，这使她妈妈很着急。

Would you mind my/me using your telescope？

解释：你介意我用一下你的望远镜吗？

He is in the belief of money being everything.

解释：他相信金钱就是一切。

Swimming is good for health.

解释：游泳有益健康。

Singing is her passion.

解释：唱歌是她的激情。

Eating too much sugar is bad for your health.

解释：吃太多糖对你的健康不好。

Reading is an art.

解释：阅读是一门艺术。

Don't put your bike on the playground.

解释：不要把自行车放在操场上。

Doing morning exercises is good for our health.

解释：做早操对我们的健康有好处。

Getting up early is a good habit.

解释：早起是一种好习惯。

Playing in the street is very dangerous.

解释：在街道玩耍是非常危险的。

Reading books can broaden your horizons.

解释：阅读书籍可以拓宽你的视野。

Swimming is a good way to keep fit.

解释：游泳是保持健康的好方法。

Traveling is my favorite hobby.

解释：旅行是我最喜欢的爱好。

Listening to the music is good.

解释：听音乐是好的。

Throwing litter about is very bad.

解释：乱扔垃圾是非常不好的。

这些例句展示了动名词在句子中作为主语的不同用法和结构。希望这些例子对你有所帮助。