I think playing computer games is not（）应填interest、interestin

I think playing computer games is not（）应填interest、interesting还是interested
并表明原因,还有interest、interesting、interested的区别

I think playing computer games is not（ interesting）
1）interest用作不可数名词时意为“兴趣,关心,重要性,影响,利息,利益,利害”.用作动词时意为“使发生兴趣,引起...的注意”,其主语多为事或物.
eg：I have no interest in your plan.我对你的计划没有兴趣.
（2）interesting 形容词 主语通常是物.可以作表语,也可以作定语.
eg：1.The book is very interesting.
这本书很有趣．（表语）
2.The story sounds interesting.
这个故事听起来很有趣．（表语）
3.That is an interesting film.
那是一部有趣的电影．（定语）
4.This is an interesting book.
这是本有趣的书.（定语）
（3）interested 形容词 意为“感兴趣的”；“对……感兴趣”,主语通常是人,且多用于be / get / feel / become interested in结构中.
a.be interested in sth.对某事感兴趣
b.be interested in doing sth.对做某事感兴趣
eg：He is interested in the film.
他对这部电影感兴趣.
I am interested in English.
我对英语感兴趣．
He is interested in playing football.
他对踢足球感兴趣．