-ed describes how you feel. -ing describes the action by something or someone.
Often confused because of their similar pronunciation but have almost opposite meanings.
About talks about simple or general subjects. On suggests that a book, talk, etc is more serious or academic.
Adjectives can be used after some verbs to describe the subject that is performing the action.
Adjectives that end in -ed describe how you feel. Adjectives that end in -ing describe the action by something or someone.
Superlative adjectives: best, shortest, most beautiful, etc, have the article before them.
We cannot use very much before an adjective. But we can use very.