You're beautiful. (beautiful is an adjective)
That's good. (good is an adjective)
That's not nice. (nice is an adjective)
They're hungry. (............)
I'm fat. (..............)
Your children are so cute. (cute is an adjective)
You're beautiful. You're a beautiful girl.
That's good. That's a good stuff.
That's not nice. That's not a nice thing to do.
They're hugry. There's a very hungry person lying under a tree.
I'm fat. I'm a fat man.
Your children are so cute. You have very cute children.