Have a look at this mindmap. It will help you to see the different types of adjectives.
In grammar, an adjective is a word whose main function is to modify a noun or pronoun, giving more information about the noun or pronoun's referent.
Not all languages have adjectives, but most, including English, do. (English adjectives include big, old, and tired, among many others.) Examples:
That is a big building.
I met a very old man.
The quick, brown fox jumps over the lazy dog.
That's a very nice dress.
Now, have a look at this video and repeat the adjectives you see to get familiar with them
Now, Click here and enjoy doing these exercises. If you want to go to the BBC and do some other interesting activities, click here. However, if you would like to have fun using adjectives, this is the place to go. Click here.
They will help you to master this grammar aspect of the language.