文法唔係好明

其實interesting和interested都作為形容詞用，但其意思就有不同
interesting解作：有趣的；而interested解作感興趣的
如：It is an interesting book（這是本有趣的書）
　　I am interested in this book(我對這本書感興趣）
這樣解釋，比較容易明白！
希望幫到你！

ing係形容本書好有趣, ed係指我對本書好有興趣!
例如: he is boring(佢令人好悶)
he is bored(某人或某事物令佢好悶)

interesting是形容物件
interested是形容人的感受
eg:
I felt bored about this book.
This book is boring.

差不多這些意思吧...

Both of them are adjective
but they are used in different ways

1.) Interesting<------ mainly used on describing things
e .g Interesting + noun

2.) Interested <----- mainly used on describing Human feelings
e .g. someone + verb-to-be + interested


Here are some more explanation and examples
interesting 解釋
adj

1. 有趣的;引起興趣的;令人關注的[(+for/to)]
It is an interesting book for children.
那是一本有趣的兒童讀物。
We had a long and interesting talk.
我們作了一次很有意思的長談。

interested 標示解釋 mainly used on describing Human feelings
adj.

1. 感興趣的;關心的[(+in)][+to-v][+(that)]
I'm not interested in politics.
我對政治不感興趣。
2. 有利害關係的[B]
He is an interested party and can not serve on the jury.
他是與案件有關的當事人,不能做陪審團的成員。
3. 有私心的,有偏見的[B]
An interested person can not make a fair decision.
有偏見的人不能做出公正的決斷。