interest后面要加ing吗

interest表示现在分词或动名词时后面要加ing.

I have a little money and a few interests .我有点儿钱，也有些爱好。

They were more interested in their own pursuits .他们喜欢自己玩耍。

The story has a certain bizarre interest .这个故事听起来别有风味。

I am not interested in such trifles at all .我根本不理会这些小事。

Writing has become his dominant interest.写作已成为他的主要兴趣。

We have a crucial interest in this topic .我们对这一论题极感兴趣。

These early speculations are interesting .这些早期的臆测是很有趣的。

These people are just interested in making money .这些人只想赚钱。

I shall be interested to know what happens .我很想知道情况会怎样。

His report aroused the interest of all .他的报告引起了大家的兴趣。

excite和interest这种单词后面什么时候加ing，什么时候加ed?简单来说，要说明事物是令人如何的时候，就加ing而要说明一个人是怎么怎么样的时候，就加ed。